diff --git a/share/patchfiles/Alesis_NanoSynth.midnam b/share/patchfiles/Alesis_NanoSynth.midnam
index 2953288379..cb3408e51f 100644
--- a/share/patchfiles/Alesis_NanoSynth.midnam
+++ b/share/patchfiles/Alesis_NanoSynth.midnam
@@ -70,7 +70,7 @@
           <Patch Number="19" Name="Organ 3" ProgramChange="18"/>
           <Patch Number="20" Name="ChurchOrgn" ProgramChange="19"/>
           <Patch Number="21" Name="Reed Organ" ProgramChange="20"/>
-          <Patch Number="22" Name="Accordian" ProgramChange="21"/>
+          <Patch Number="22" Name="Accordion" ProgramChange="21"/>
           <Patch Number="23" Name="Harmonica" ProgramChange="22"/>
           <Patch Number="24" Name="Bandoneon" ProgramChange="23"/>
           <Patch Number="25" Name="Nylon Gtr" ProgramChange="24"/>
diff --git a/share/patchfiles/Alesis_QS6_1.midnam b/share/patchfiles/Alesis_QS6_1.midnam
index e671d6727b..a51367c1ff 100644
--- a/share/patchfiles/Alesis_QS6_1.midnam
+++ b/share/patchfiles/Alesis_QS6_1.midnam
@@ -615,7 +615,7 @@
           <Patch Number="18" Name="Rock Organ" ProgramChange="18"/>
           <Patch Number="19" Name="Church Org" ProgramChange="19"/>
           <Patch Number="20" Name="Reed Organ" ProgramChange="20"/>
-          <Patch Number="21" Name="Accordian " ProgramChange="21"/>
+          <Patch Number="21" Name="Accordion " ProgramChange="21"/>
           <Patch Number="22" Name="Harmonica " ProgramChange="22"/>
           <Patch Number="23" Name="TangoAccrd" ProgramChange="23"/>
           <Patch Number="24" Name="Nylon Gtr " ProgramChange="24"/>
diff --git a/share/patchfiles/Alesis_QS78.midnam b/share/patchfiles/Alesis_QS78.midnam
index 5ac480f441..dadf994fe4 100644
--- a/share/patchfiles/Alesis_QS78.midnam
+++ b/share/patchfiles/Alesis_QS78.midnam
@@ -617,7 +617,7 @@
           <Patch Number="18" Name="Rock Organ" ProgramChange="18"/>
           <Patch Number="19" Name="Church Org" ProgramChange="19"/>
           <Patch Number="20" Name="Reed Organ" ProgramChange="20"/>
-          <Patch Number="21" Name="Accordian " ProgramChange="21"/>
+          <Patch Number="21" Name="Accordion " ProgramChange="21"/>
           <Patch Number="22" Name="Harmonica " ProgramChange="22"/>
           <Patch Number="23" Name="TangoAccrd" ProgramChange="23"/>
           <Patch Number="24" Name="Nylon Gtr " ProgramChange="24"/>
diff --git a/share/patchfiles/Alesis_QS7_1_8_1.midnam b/share/patchfiles/Alesis_QS7_1_8_1.midnam
index f87d46029e..24f73301cc 100644
--- a/share/patchfiles/Alesis_QS7_1_8_1.midnam
+++ b/share/patchfiles/Alesis_QS7_1_8_1.midnam
@@ -616,7 +616,7 @@
           <Patch Number="18" Name="Rock Organ" ProgramChange="18"/>
           <Patch Number="19" Name="Church Org" ProgramChange="19"/>
           <Patch Number="20" Name="Reed Organ" ProgramChange="20"/>
-          <Patch Number="21" Name="Accordian " ProgramChange="21"/>
+          <Patch Number="21" Name="Accordion " ProgramChange="21"/>
           <Patch Number="22" Name="Harmonica " ProgramChange="22"/>
           <Patch Number="23" Name="TangoAccrd" ProgramChange="23"/>
           <Patch Number="24" Name="Nylon Gtr " ProgramChange="24"/>
diff --git a/share/patchfiles/Alesis_QuadraSynth.midnam b/share/patchfiles/Alesis_QuadraSynth.midnam
index c584c981ae..e2f2b05ce5 100644
--- a/share/patchfiles/Alesis_QuadraSynth.midnam
+++ b/share/patchfiles/Alesis_QuadraSynth.midnam
@@ -121,7 +121,7 @@
           <Patch Number=" 66" Name="String Pad" ProgramChange="66"/>
           <Patch Number=" 67" Name="Touchsaw" ProgramChange="67"/>
           <Patch Number=" 68" Name="Basic Bell" ProgramChange="68"/>
-          <Patch Number=" 69" Name="Accordian+" ProgramChange="69"/>
+          <Patch Number=" 69" Name="Accordion+" ProgramChange="69"/>
           <Patch Number=" 70" Name="Wavechime" ProgramChange="70"/>
           <Patch Number=" 71" Name="BachHarpsi" ProgramChange="71"/>
           <Patch Number=" 72" Name="Horn Ens" ProgramChange="72"/>
diff --git a/share/patchfiles/Alesis_QuadraSynth_Plus.midnam b/share/patchfiles/Alesis_QuadraSynth_Plus.midnam
index d86b2dc463..c913414c20 100644
--- a/share/patchfiles/Alesis_QuadraSynth_Plus.midnam
+++ b/share/patchfiles/Alesis_QuadraSynth_Plus.midnam
@@ -259,7 +259,7 @@
           <Patch Number="66" Name="String Pad" ProgramChange="66"/>
           <Patch Number="67" Name="Touchsaw" ProgramChange="67"/>
           <Patch Number="68" Name="Brush Up" ProgramChange="68"/>
-          <Patch Number="69" Name="Accordian+" ProgramChange="69"/>
+          <Patch Number="69" Name="Accordion+" ProgramChange="69"/>
           <Patch Number="70" Name="HousePiano" ProgramChange="70"/>
           <Patch Number="71" Name="Wavechime" ProgramChange="71"/>
           <Patch Number="72" Name="SoloBasoon" ProgramChange="72"/>
diff --git a/share/patchfiles/Alesis_S4.midnam b/share/patchfiles/Alesis_S4.midnam
index b00f284311..1bc2d69c63 100644
--- a/share/patchfiles/Alesis_S4.midnam
+++ b/share/patchfiles/Alesis_S4.midnam
@@ -121,7 +121,7 @@
           <Patch Number=" 66" Name="String Pad" ProgramChange="66"/>
           <Patch Number=" 67" Name="Touchsaw" ProgramChange="67"/>
           <Patch Number=" 68" Name="Basic Bell" ProgramChange="68"/>
-          <Patch Number=" 69" Name="Accordian+" ProgramChange="69"/>
+          <Patch Number=" 69" Name="Accordion+" ProgramChange="69"/>
           <Patch Number=" 70" Name="Wavechime" ProgramChange="70"/>
           <Patch Number=" 71" Name="BachHarpsi" ProgramChange="71"/>
           <Patch Number=" 72" Name="Horn Ens" ProgramChange="72"/>
diff --git a/share/patchfiles/Alesis_S4_Plus.midnam b/share/patchfiles/Alesis_S4_Plus.midnam
index 00469cdb0f..856d27b655 100644
--- a/share/patchfiles/Alesis_S4_Plus.midnam
+++ b/share/patchfiles/Alesis_S4_Plus.midnam
@@ -259,7 +259,7 @@
           <Patch Number="66" Name="String Pad" ProgramChange="66"/>
           <Patch Number="67" Name="Touchsaw  " ProgramChange="67"/>
           <Patch Number="68" Name="Brush Up  " ProgramChange="68"/>
-          <Patch Number="69" Name="Accordian+" ProgramChange="69"/>
+          <Patch Number="69" Name="Accordion+" ProgramChange="69"/>
           <Patch Number="70" Name="Trem-a-EP " ProgramChange="70"/>
           <Patch Number="71" Name="Wavechime " ProgramChange="71"/>
           <Patch Number="72" Name="SoloBasoon" ProgramChange="72"/>
@@ -616,7 +616,7 @@
           <Patch Number="18" Name="Rock Organ" ProgramChange="18"/>
           <Patch Number="19" Name="Church    " ProgramChange="19"/>
           <Patch Number="20" Name="Reed Organ" ProgramChange="20"/>
-          <Patch Number="21" Name="Accordian " ProgramChange="21"/>
+          <Patch Number="21" Name="Accordion " ProgramChange="21"/>
           <Patch Number="22" Name="Harmonica " ProgramChange="22"/>
           <Patch Number="23" Name="TangoAccrd" ProgramChange="23"/>
           <Patch Number="24" Name="Nylon Gtr " ProgramChange="24"/>
diff --git a/share/patchfiles/Ensoniq_KS_32.midnam b/share/patchfiles/Ensoniq_KS_32.midnam
index 40daf12178..3e19533566 100644
--- a/share/patchfiles/Ensoniq_KS_32.midnam
+++ b/share/patchfiles/Ensoniq_KS_32.midnam
@@ -214,7 +214,7 @@
           <Patch Number="75" Name="Steel Drum" ProgramChange="75"/>
           <Patch Number="76" Name="Classic Bell" ProgramChange="76"/>
           <Patch Number="77" Name="New Bell" ProgramChange="77"/>
-          <Patch Number="78" Name="Accordian" ProgramChange="78"/>
+          <Patch Number="78" Name="Accordion" ProgramChange="78"/>
           <Patch Number="79" Name="Harmonica" ProgramChange="79"/>
         </PatchNameList>
       </PatchBank>
diff --git a/share/patchfiles/Ensoniq_MR_Rack_61_76.midnam b/share/patchfiles/Ensoniq_MR_Rack_61_76.midnam
index 9d26ac4830..71debfb22f 100644
--- a/share/patchfiles/Ensoniq_MR_Rack_61_76.midnam
+++ b/share/patchfiles/Ensoniq_MR_Rack_61_76.midnam
@@ -191,7 +191,7 @@
           <Patch Number="061" Name="Clavinet" ProgramChange="61"/>
           <Patch Number="062" Name="ChatterClav" ProgramChange="62"/>
           <Patch Number="063" Name="Funky Clav" ProgramChange="63"/>
-          <Patch Number="064" Name="Accordian" ProgramChange="64"/>
+          <Patch Number="064" Name="Accordion" ProgramChange="64"/>
           <Patch Number="065" Name="Folk Accord" ProgramChange="65"/>
           <Patch Number="066" Name="Transzex" ProgramChange="66"/>
           <Patch Number="067" Name="Bellsalar" ProgramChange="67"/>
diff --git a/share/patchfiles/Ensoniq_SQ_1_2_R_32.midnam b/share/patchfiles/Ensoniq_SQ_1_2_R_32.midnam
index 3ed8d20222..3dadf6bc31 100644
--- a/share/patchfiles/Ensoniq_SQ_1_2_R_32.midnam
+++ b/share/patchfiles/Ensoniq_SQ_1_2_R_32.midnam
@@ -166,7 +166,7 @@
           <Patch Number="25" Name="Silk Voices*" ProgramChange="25"/>
           <Patch Number="26" Name="Monks Sing*" ProgramChange="26"/>
           <Patch Number="27" Name="Slick Pad*" ProgramChange="27"/>
-          <Patch Number="28" Name="Accordian*" ProgramChange="28"/>
+          <Patch Number="28" Name="Accordion*" ProgramChange="28"/>
           <Patch Number="29" Name="Harmonica*" ProgramChange="29"/>
           <Patch Number="30" Name="Perc Organ*" ProgramChange="30"/>
           <Patch Number="31" Name="Groovy*" ProgramChange="31"/>
diff --git a/share/patchfiles/Korg_Karma.midnam b/share/patchfiles/Korg_Karma.midnam
index 3cc7a3ae63..c7b60c0f8b 100644
--- a/share/patchfiles/Korg_Karma.midnam
+++ b/share/patchfiles/Korg_Karma.midnam
@@ -887,7 +887,7 @@
           <Patch Number="019" Name="Rock Organ" ProgramChange="18"/>
           <Patch Number="020" Name="ChurchOrg" ProgramChange="19"/>
           <Patch Number="021" Name="Reed Organ" ProgramChange="20"/>
-          <Patch Number="022" Name="Accordian 1" ProgramChange="21"/>
+          <Patch Number="022" Name="Accordion 1" ProgramChange="21"/>
           <Patch Number="023" Name="Harmonica" ProgramChange="22"/>
           <Patch Number="024" Name="Bandoneon" ProgramChange="23"/>
           <Patch Number="025" Name="Nylon Guitar 1" ProgramChange="24"/>
diff --git a/share/patchfiles/Korg_N1_N5.midnam b/share/patchfiles/Korg_N1_N5.midnam
index 272528e849..8992a06f2b 100644
--- a/share/patchfiles/Korg_N1_N5.midnam
+++ b/share/patchfiles/Korg_N1_N5.midnam
@@ -937,7 +937,7 @@
           <Patch Number="019" Name="Organ 3" ProgramChange="18"/>
           <Patch Number="020" Name="ChurchOrg 1" ProgramChange="19"/>
           <Patch Number="021" Name="Reed Org. 1" ProgramChange="20"/>
-          <Patch Number="022" Name="AccordianF" ProgramChange="21"/>
+          <Patch Number="022" Name="AccordionF" ProgramChange="21"/>
           <Patch Number="023" Name="Harmonica 1" ProgramChange="22"/>
           <Patch Number="024" Name="Bandneon1" ProgramChange="23"/>
           <Patch Number="025" Name="NylonGtr.1" ProgramChange="24"/>
diff --git a/share/patchfiles/Korg_NS5R.midnam b/share/patchfiles/Korg_NS5R.midnam
index 3c826bc40c..b3966d1d92 100644
--- a/share/patchfiles/Korg_NS5R.midnam
+++ b/share/patchfiles/Korg_NS5R.midnam
@@ -71,7 +71,7 @@
           <Patch Number="019" Name="Organ 3" ProgramChange="18"/>
           <Patch Number="020" Name="ChurchOrg 1" ProgramChange="19"/>
           <Patch Number="021" Name="ReedOrg. 1" ProgramChange="20"/>
-          <Patch Number="022" Name="AccordianF" ProgramChange="21"/>
+          <Patch Number="022" Name="AccordionF" ProgramChange="21"/>
           <Patch Number="023" Name="Harmonica 1" ProgramChange="22"/>
           <Patch Number="024" Name="Bandneon 1" ProgramChange="23"/>
           <Patch Number="025" Name="NylonGtr.1" ProgramChange="24"/>
diff --git a/share/patchfiles/Korg_TR_Workstation.midnam b/share/patchfiles/Korg_TR_Workstation.midnam
index 6fb93bad15..109e6f94ef 100644
--- a/share/patchfiles/Korg_TR_Workstation.midnam
+++ b/share/patchfiles/Korg_TR_Workstation.midnam
@@ -121,7 +121,7 @@
       <Patch Number="GM019" Name="Rock Organ" ProgramChange="18"/>
       <Patch Number="GM020" Name="ChurchOrg" ProgramChange="19"/>
       <Patch Number="GM021" Name="Reed Organ" ProgramChange="20"/>
-      <Patch Number="GM022" Name="Accordian 1" ProgramChange="21"/>
+      <Patch Number="GM022" Name="Accordion 1" ProgramChange="21"/>
       <Patch Number="GM023" Name="Harmonica" ProgramChange="22"/>
       <Patch Number="GM024" Name="Bandoneon" ProgramChange="23"/>
       <Patch Number="GM025" Name="Nylon Guitar 1" ProgramChange="24"/>
diff --git a/share/patchfiles/Korg_Triton_Expansion.midnam b/share/patchfiles/Korg_Triton_Expansion.midnam
index af12166b7e..d2b69442b6 100644
--- a/share/patchfiles/Korg_Triton_Expansion.midnam
+++ b/share/patchfiles/Korg_Triton_Expansion.midnam
@@ -922,7 +922,7 @@
       <Patch Number="2" Name="Flute Duo" ProgramChange="2"/>
       <Patch Number="3" Name="Brassexpress" ProgramChange="3"/>
       <Patch Number="4" Name="Cumulonimbus" ProgramChange="4"/>
-      <Patch Number="5" Name="Paris Accordian" ProgramChange="5"/>
+      <Patch Number="5" Name="Paris Accordion" ProgramChange="5"/>
       <Patch Number="6" Name="Saxes in Band" ProgramChange="6"/>
       <Patch Number="7" Name="Chamber Strings" ProgramChange="7"/>
       <Patch Number="8" Name="Small Gospel Choir" ProgramChange="8"/>
diff --git a/share/patchfiles/Korg_Triton_Le.midnam b/share/patchfiles/Korg_Triton_Le.midnam
index 78b8a8ace3..76d67610a5 100644
--- a/share/patchfiles/Korg_Triton_Le.midnam
+++ b/share/patchfiles/Korg_Triton_Le.midnam
@@ -551,7 +551,7 @@
           <Patch Number="GM019" Name="Rock Organ" ProgramChange="18"/>
           <Patch Number="GM020" Name="ChurchOrg" ProgramChange="19"/>
           <Patch Number="GM021" Name="Reed Organ" ProgramChange="20"/>
-          <Patch Number="GM022" Name="Accordian 1" ProgramChange="21"/>
+          <Patch Number="GM022" Name="Accordion 1" ProgramChange="21"/>
           <Patch Number="GM023" Name="Harmonica" ProgramChange="22"/>
           <Patch Number="GM024" Name="Bandoneon" ProgramChange="23"/>
           <Patch Number="GM025" Name="Nylon Guitar 1" ProgramChange="24"/>
diff --git a/share/patchfiles/Korg_Triton_Rack.midnam b/share/patchfiles/Korg_Triton_Rack.midnam
index 2a43b72b53..85025edaeb 100644
--- a/share/patchfiles/Korg_Triton_Rack.midnam
+++ b/share/patchfiles/Korg_Triton_Rack.midnam
@@ -702,7 +702,7 @@
       <Patch Number="019" Name="Rock Organ" ProgramChange="18"/>
       <Patch Number="020" Name="ChurchOrg" ProgramChange="19"/>
       <Patch Number="021" Name="Reed Organ" ProgramChange="20"/>
-      <Patch Number="022" Name="Accordian 1" ProgramChange="21"/>
+      <Patch Number="022" Name="Accordion 1" ProgramChange="21"/>
       <Patch Number="023" Name="Harmonica" ProgramChange="22"/>
       <Patch Number="024" Name="Bandoneon" ProgramChange="23"/>
       <Patch Number="025" Name="Nylon Guitar 1" ProgramChange="24"/>
diff --git a/share/patchfiles/Korg_Triton_Studio.midnam b/share/patchfiles/Korg_Triton_Studio.midnam
index 12702fcfb9..c375d1d51e 100644
--- a/share/patchfiles/Korg_Triton_Studio.midnam
+++ b/share/patchfiles/Korg_Triton_Studio.midnam
@@ -751,7 +751,7 @@
           <Patch Number="019" Name="Rock Organ" ProgramChange="18"/>
           <Patch Number="020" Name="ChurchOrg" ProgramChange="19"/>
           <Patch Number="021" Name="Reed Organ" ProgramChange="20"/>
-          <Patch Number="022" Name="Accordian 1" ProgramChange="21"/>
+          <Patch Number="022" Name="Accordion 1" ProgramChange="21"/>
           <Patch Number="023" Name="Harmonica" ProgramChange="22"/>
           <Patch Number="024" Name="Bandoneon" ProgramChange="23"/>
           <Patch Number="025" Name="Nylon Guitar 1" ProgramChange="24"/>
diff --git a/share/patchfiles/Kurzweil_K2661.midnam b/share/patchfiles/Kurzweil_K2661.midnam
index bcc59add4f..edad5323c9 100644
--- a/share/patchfiles/Kurzweil_K2661.midnam
+++ b/share/patchfiles/Kurzweil_K2661.midnam
@@ -535,7 +535,7 @@
       <Patch Number="418" Name="Rock Organ " ProgramChange="18"/>
       <Patch Number="419" Name="Church Organ " ProgramChange="19"/>
       <Patch Number="420" Name="Reed Organ  " ProgramChange="20"/>
-      <Patch Number="421" Name="Accordian " ProgramChange="21"/>
+      <Patch Number="421" Name="Accordion " ProgramChange="21"/>
       <Patch Number="422" Name="Harmonica " ProgramChange="22"/>
       <Patch Number="423" Name="Bandoneon " ProgramChange="23"/>
       <Patch Number="424" Name="Nylon Str Guitar " ProgramChange="24"/>
diff --git a/share/patchfiles/Kurzweil_Mark_12_152.midnam b/share/patchfiles/Kurzweil_Mark_12_152.midnam
index acbaecc317..bdca8b687e 100644
--- a/share/patchfiles/Kurzweil_Mark_12_152.midnam
+++ b/share/patchfiles/Kurzweil_Mark_12_152.midnam
@@ -286,7 +286,7 @@
           <Patch Number="62" Name="Brass Section" ProgramChange="62"/>
           <Patch Number="63" Name="Mixed Horns" ProgramChange="63"/>
           <Patch Number="64" Name="Trumpets" ProgramChange="64"/>
-          <Patch Number="74" Name="Accordian" ProgramChange="74"/>
+          <Patch Number="74" Name="Accordion" ProgramChange="74"/>
           <Patch Number="75" Name="Dulcimer" ProgramChange="75"/>
           <Patch Number="76" Name="Koto" ProgramChange="76"/>
           <Patch Number="77" Name="Mbira" ProgramChange="77"/>
@@ -300,7 +300,7 @@
           <Patch Number="85" Name="Bagpipe" ProgramChange="85"/>
           <Patch Number="86" Name="Fiddle" ProgramChange="86"/>
           <Patch Number="87" Name="Shannai" ProgramChange="87"/>
-          <Patch Number="88" Name="Accordian 2" ProgramChange="88"/>
+          <Patch Number="88" Name="Accordion 2" ProgramChange="88"/>
           <Patch Number="94" Name="Glockenspiel" ProgramChange="94"/>
           <Patch Number="95" Name="Music Box" ProgramChange="95"/>
           <Patch Number="96" Name="Tubulaar Bell" ProgramChange="96"/>
diff --git a/share/patchfiles/Roland_GR_1.midnam b/share/patchfiles/Roland_GR_1.midnam
index 2198d9bf55..2be79f31e4 100644
--- a/share/patchfiles/Roland_GR_1.midnam
+++ b/share/patchfiles/Roland_GR_1.midnam
@@ -389,7 +389,7 @@
       <Patch Number="A-87" Name="Road Org" ProgramChange="86"/>
       <Patch Number="A-88" Name="60s Org1" ProgramChange="87"/>
       <Patch Number="A-89" Name="Rock Org2" ProgramChange="88"/>
-      <Patch Number="A-90" Name="Accordian" ProgramChange="89"/>
+      <Patch Number="A-90" Name="Accordion" ProgramChange="89"/>
       <Patch Number="A-91" Name="Steel Gtr2" ProgramChange="90"/>
       <Patch Number="A-92" Name="12st Gtr2" ProgramChange="91"/>
       <Patch Number="A-93" Name="18st Gtr" ProgramChange="92"/>
@@ -399,7 +399,7 @@
       <Patch Number="A-97" Name="12Gtr Pad" ProgramChange="96"/>
       <Patch Number="A-98" Name="Stratus" ProgramChange="97"/>
       <Patch Number="A-99" Name="Brite Gtr" ProgramChange="98"/>
-      <Patch Number="A-100" Name="Syn Accordian" ProgramChange="99"/>
+      <Patch Number="A-100" Name="Syn Accordion" ProgramChange="99"/>
       <Patch Number="A-101" Name="Koto" ProgramChange="100"/>
       <Patch Number="A-102" Name="Shamisen" ProgramChange="101"/>
       <Patch Number="A-103" Name="Suntur" ProgramChange="102"/>
@@ -599,7 +599,7 @@
       <Patch Number="GM-19" Name="Organ 3" ProgramChange="18"/>
       <Patch Number="GM-20" Name="Church Org.1" ProgramChange="19"/>
       <Patch Number="GM-21" Name="Reed Organ" ProgramChange="20"/>
-      <Patch Number="GM-22" Name="Accordian Fr" ProgramChange="21"/>
+      <Patch Number="GM-22" Name="Accordion Fr" ProgramChange="21"/>
       <Patch Number="GM-23" Name="Harmonica" ProgramChange="22"/>
       <Patch Number="GM-24" Name="Bandneon" ProgramChange="23"/>
       <Patch Number="GM-25" Name="Nylon-str.Gt" ProgramChange="24"/>
diff --git a/share/patchfiles/Roland_JV_1010.midnam b/share/patchfiles/Roland_JV_1010.midnam
index 41c55c3c1c..4793021374 100644
--- a/share/patchfiles/Roland_JV_1010.midnam
+++ b/share/patchfiles/Roland_JV_1010.midnam
@@ -746,7 +746,7 @@
       <Patch Number="GM-19" Name="Organ 3" ProgramChange="18"/>
       <Patch Number="GM-20" Name="Church Org.1" ProgramChange="19"/>
       <Patch Number="GM-21" Name="Reed Organ" ProgramChange="20"/>
-      <Patch Number="GM-22" Name="Accordian Fr" ProgramChange="21"/>
+      <Patch Number="GM-22" Name="Accordion Fr" ProgramChange="21"/>
       <Patch Number="GM-23" Name="Harmonica" ProgramChange="22"/>
       <Patch Number="GM-24" Name="Bandneon" ProgramChange="23"/>
       <Patch Number="GM-25" Name="Nylon-str.Gt" ProgramChange="24"/>
diff --git a/share/patchfiles/Roland_JX_305.midnam b/share/patchfiles/Roland_JX_305.midnam
index a6dd9dfa00..196ee9895d 100644
--- a/share/patchfiles/Roland_JX_305.midnam
+++ b/share/patchfiles/Roland_JX_305.midnam
@@ -2260,7 +2260,7 @@
               <ProgramChange Number="57"/>
             </PatchMIDICommands>
           </Patch>
-          <Patch Number="59" Name="Accordian">
+          <Patch Number="59" Name="Accordion">
             <PatchMIDICommands>
               <ControlChange Control="0" Value="81"/>
               <ControlChange Control="32" Value="2"/>
@@ -3851,14 +3851,14 @@
               <ProgramChange Number="26"/>
             </PatchMIDICommands>
           </Patch>
-          <Patch Number="28" Name="F.Accordian1">
+          <Patch Number="28" Name="F.Accordion1">
             <PatchMIDICommands>
               <ControlChange Control="0" Value="82"/>
               <ControlChange Control="32" Value="0"/>
               <ProgramChange Number="27"/>
             </PatchMIDICommands>
           </Patch>
-          <Patch Number="29" Name="F.Accordian2">
+          <Patch Number="29" Name="F.Accordion2">
             <PatchMIDICommands>
               <ControlChange Control="0" Value="82"/>
               <ControlChange Control="32" Value="0"/>
diff --git a/share/patchfiles/Roland_Latin_Expansion.midnam b/share/patchfiles/Roland_Latin_Expansion.midnam
index cdf68be71b..391d6da2f6 100644
--- a/share/patchfiles/Roland_Latin_Expansion.midnam
+++ b/share/patchfiles/Roland_Latin_Expansion.midnam
@@ -180,8 +180,8 @@
       <Patch Number="I-58" Name="Accord ff Op" ProgramChange="39"/>
       <Patch Number="I-61" Name="St.Accord Cl" ProgramChange="40"/>
       <Patch Number="I-62" Name="Accordion Cl" ProgramChange="41"/>
-      <Patch Number="I-63" Name="Accordian 4" ProgramChange="42"/>
-      <Patch Number="I-64" Name="Accordian 5" ProgramChange="43"/>
+      <Patch Number="I-63" Name="Accordion 4" ProgramChange="42"/>
+      <Patch Number="I-64" Name="Accordion 5" ProgramChange="43"/>
       <Patch Number="I-65" Name="Squeezers" ProgramChange="44"/>
       <Patch Number="I-66" Name="St.Musette" ProgramChange="45"/>
       <Patch Number="I-67" Name="Musette" ProgramChange="46"/>
@@ -449,8 +449,8 @@
       <Patch Number="i40" Name="Accord ff Op" ProgramChange="39"/>
       <Patch Number="i41" Name="St.Accord Cl" ProgramChange="40"/>
       <Patch Number="i42" Name="Accordion Cl" ProgramChange="41"/>
-      <Patch Number="i43" Name="Accordian 4" ProgramChange="42"/>
-      <Patch Number="i44" Name="Accordian 5" ProgramChange="43"/>
+      <Patch Number="i43" Name="Accordion 4" ProgramChange="42"/>
+      <Patch Number="i44" Name="Accordion 5" ProgramChange="43"/>
       <Patch Number="i45" Name="Squeezers" ProgramChange="44"/>
       <Patch Number="i46" Name="St.Musette" ProgramChange="45"/>
       <Patch Number="i47" Name="Musette" ProgramChange="46"/>
@@ -728,8 +728,8 @@
       <Patch Number="EC58" Name="Accord ff Op" ProgramChange="39"/>
       <Patch Number="EC61" Name="St.Accord Cl" ProgramChange="40"/>
       <Patch Number="EC62" Name="Accordion Cl" ProgramChange="41"/>
-      <Patch Number="EC63" Name="Accordian 4" ProgramChange="42"/>
-      <Patch Number="EC64" Name="Accordian 5" ProgramChange="43"/>
+      <Patch Number="EC63" Name="Accordion 4" ProgramChange="42"/>
+      <Patch Number="EC64" Name="Accordion 5" ProgramChange="43"/>
       <Patch Number="EC65" Name="Squeezers" ProgramChange="44"/>
       <Patch Number="EC66" Name="St.Musette" ProgramChange="45"/>
       <Patch Number="EC67" Name="Musette" ProgramChange="46"/>
@@ -973,12 +973,12 @@
       <Patch Number="182" Name="SlapbackBass" ProgramChange="53"/>
       <Patch Number="183" Name="Stars" ProgramChange="54"/>
       <Patch Number="184" Name="St.Accord Op" ProgramChange="55"/>
-      <Patch Number="185" Name="Accordian Op" ProgramChange="56"/>
+      <Patch Number="185" Name="Accordion Op" ProgramChange="56"/>
       <Patch Number="186" Name="Accord ff Op" ProgramChange="57"/>
       <Patch Number="187" Name="St.Accord Cl" ProgramChange="58"/>
-      <Patch Number="188" Name="Accordian Cl" ProgramChange="59"/>
-      <Patch Number="189" Name="Accordian 4" ProgramChange="60"/>
-      <Patch Number="190" Name="Accordian 5" ProgramChange="61"/>
+      <Patch Number="188" Name="Accordion Cl" ProgramChange="59"/>
+      <Patch Number="189" Name="Accordion 4" ProgramChange="60"/>
+      <Patch Number="190" Name="Accordion 5" ProgramChange="61"/>
       <Patch Number="191" Name="Squeezers" ProgramChange="62"/>
       <Patch Number="192" Name="2 Acdn Split" ProgramChange="63"/>
       <Patch Number="193" Name="Minstrel Jig" ProgramChange="64"/>
diff --git a/share/patchfiles/Roland_RS_9.midnam b/share/patchfiles/Roland_RS_9.midnam
index f23b5a7818..420ee15fc7 100644
--- a/share/patchfiles/Roland_RS_9.midnam
+++ b/share/patchfiles/Roland_RS_9.midnam
@@ -616,7 +616,7 @@
       <Patch Number="GM 0-19" Name="Organ 3" ProgramChange="18"/>
       <Patch Number="GM 0-20" Name="Church Org.1" ProgramChange="19"/>
       <Patch Number="GM 0-21" Name="Reed Organ" ProgramChange="20"/>
-      <Patch Number="GM 0-22" Name="Accordian Fr" ProgramChange="21"/>
+      <Patch Number="GM 0-22" Name="Accordion Fr" ProgramChange="21"/>
       <Patch Number="GM 0-23" Name="Harmonica" ProgramChange="22"/>
       <Patch Number="GM 0-24" Name="Bandneon" ProgramChange="23"/>
       <Patch Number="GM 0-25" Name="Nylon-str.Gt" ProgramChange="24"/>
@@ -740,7 +740,7 @@
       <Patch Number="GM 1-18" Name="Chorus Or.2" ProgramChange="17"/>
       <Patch Number="GM 1-20" Name="Church Org.2" ProgramChange="19"/>
       <Patch Number="GM 1-21" Name="Puff Organ" ProgramChange="20"/>
-      <Patch Number="GM 1-22" Name="Accordian It" ProgramChange="21"/>
+      <Patch Number="GM 1-22" Name="Accordion It" ProgramChange="21"/>
       <Patch Number="GM 1-25" Name="Ukulele" ProgramChange="24"/>
       <Patch Number="GM 1-26" Name="12-str.Gt" ProgramChange="25"/>
       <Patch Number="GM 1-27" Name="Pedal Steel" ProgramChange="26"/>
diff --git a/share/patchfiles/Roland_World_Collection_Exp.midnam b/share/patchfiles/Roland_World_Collection_Exp.midnam
index 9487ea5aed..ab6eb20f66 100644
--- a/share/patchfiles/Roland_World_Collection_Exp.midnam
+++ b/share/patchfiles/Roland_World_Collection_Exp.midnam
@@ -265,7 +265,7 @@
       <Patch Number="235" Name="Reyong/SRX" ProgramChange="106"/>
       <Patch Number="236" Name="Pemade/SRX" ProgramChange="107"/>
       <Patch Number="237" Name="Cajun" ProgramChange="108"/>
-      <Patch Number="238" Name="D.Accordian" ProgramChange="109"/>
+      <Patch Number="238" Name="D.Accordion" ProgramChange="109"/>
       <Patch Number="239" Name="SquezeBoxSRX" ProgramChange="110"/>
       <Patch Number="240" Name="Squeeze Box" ProgramChange="111"/>
       <Patch Number="241" Name="St.AcdOpSRX" ProgramChange="112"/>
diff --git a/share/patchfiles/Roland_XV_2020.midnam b/share/patchfiles/Roland_XV_2020.midnam
index 6de1a457c8..a48337f606 100644
--- a/share/patchfiles/Roland_XV_2020.midnam
+++ b/share/patchfiles/Roland_XV_2020.midnam
@@ -281,7 +281,7 @@
       <Patch Number="GM 0-19" Name="Organ 3" ProgramChange="18"/>
       <Patch Number="GM 0-20" Name="Church Org.1" ProgramChange="19"/>
       <Patch Number="GM 0-21" Name="Reed Organ" ProgramChange="20"/>
-      <Patch Number="GM 0-22" Name="Accordian Fr" ProgramChange="21"/>
+      <Patch Number="GM 0-22" Name="Accordion Fr" ProgramChange="21"/>
       <Patch Number="GM 0-23" Name="Harmonica" ProgramChange="22"/>
       <Patch Number="GM 0-24" Name="Bandneon" ProgramChange="23"/>
       <Patch Number="GM 0-25" Name="Nylon-str.Gt" ProgramChange="24"/>
@@ -405,7 +405,7 @@
       <Patch Number="GM 1-18" Name="Chorus Or.2" ProgramChange="17"/>
       <Patch Number="GM 1-20" Name="Church Org.2" ProgramChange="19"/>
       <Patch Number="GM 1-21" Name="Puff Organ" ProgramChange="20"/>
-      <Patch Number="GM 1-22" Name="Accordian It" ProgramChange="21"/>
+      <Patch Number="GM 1-22" Name="Accordion It" ProgramChange="21"/>
       <Patch Number="GM 1-25" Name="Ukulele" ProgramChange="24"/>
       <Patch Number="GM 1-26" Name="12-str.Gt" ProgramChange="25"/>
       <Patch Number="GM 1-27" Name="Pedal Steel" ProgramChange="26"/>
diff --git a/share/patchfiles/Roland_XV_3080.midnam b/share/patchfiles/Roland_XV_3080.midnam
index 0043f4a22d..8ad3d7e9a5 100644
--- a/share/patchfiles/Roland_XV_3080.midnam
+++ b/share/patchfiles/Roland_XV_3080.midnam
@@ -1367,7 +1367,7 @@
       <Patch Number="GM 0-19" Name="Organ 3" ProgramChange="18"/>
       <Patch Number="GM 0-20" Name="Church Org.1" ProgramChange="19"/>
       <Patch Number="GM 0-21" Name="Reed Organ" ProgramChange="20"/>
-      <Patch Number="GM 0-22" Name="Accordian Fr" ProgramChange="21"/>
+      <Patch Number="GM 0-22" Name="Accordion Fr" ProgramChange="21"/>
       <Patch Number="GM 0-23" Name="Harmonica" ProgramChange="22"/>
       <Patch Number="GM 0-24" Name="Bandneon" ProgramChange="23"/>
       <Patch Number="GM 0-25" Name="Nylon-str.Gt" ProgramChange="24"/>
@@ -1491,7 +1491,7 @@
       <Patch Number="GM 1-18" Name="Chorus Or.2" ProgramChange="17"/>
       <Patch Number="GM 1-20" Name="Church Org.2" ProgramChange="19"/>
       <Patch Number="GM 1-21" Name="Puff Organ" ProgramChange="20"/>
-      <Patch Number="GM 1-22" Name="Accordian It" ProgramChange="21"/>
+      <Patch Number="GM 1-22" Name="Accordion It" ProgramChange="21"/>
       <Patch Number="GM 1-25" Name="Ukulele" ProgramChange="24"/>
       <Patch Number="GM 1-26" Name="12-str.Gt" ProgramChange="25"/>
       <Patch Number="GM 1-27" Name="Pedal Steel" ProgramChange="26"/>
diff --git a/share/patchfiles/Roland_XV_5080.midnam b/share/patchfiles/Roland_XV_5080.midnam
index ddb820cbb1..8df7f38fc3 100644
--- a/share/patchfiles/Roland_XV_5080.midnam
+++ b/share/patchfiles/Roland_XV_5080.midnam
@@ -1483,7 +1483,7 @@
       <Patch Number="GM 0-19" Name="Organ 3" ProgramChange="18"/>
       <Patch Number="GM 0-20" Name="Church Org.1" ProgramChange="19"/>
       <Patch Number="GM 0-21" Name="Reed Organ" ProgramChange="20"/>
-      <Patch Number="GM 0-22" Name="Accordian Fr" ProgramChange="21"/>
+      <Patch Number="GM 0-22" Name="Accordion Fr" ProgramChange="21"/>
       <Patch Number="GM 0-23" Name="Harmonica" ProgramChange="22"/>
       <Patch Number="GM 0-24" Name="Bandneon" ProgramChange="23"/>
       <Patch Number="GM 0-25" Name="Nylon-str.Gt" ProgramChange="24"/>
@@ -1607,7 +1607,7 @@
       <Patch Number="GM 1-18" Name="Chorus Or.2" ProgramChange="17"/>
       <Patch Number="GM 1-20" Name="Church Org.2" ProgramChange="19"/>
       <Patch Number="GM 1-21" Name="Puff Organ" ProgramChange="20"/>
-      <Patch Number="GM 1-22" Name="Accordian It" ProgramChange="21"/>
+      <Patch Number="GM 1-22" Name="Accordion It" ProgramChange="21"/>
       <Patch Number="GM 1-25" Name="Ukulele" ProgramChange="24"/>
       <Patch Number="GM 1-26" Name="12-str.Gt" ProgramChange="25"/>
       <Patch Number="GM 1-27" Name="Pedal Steel" ProgramChange="26"/>
diff --git a/share/patchfiles/Roland_XV_88.midnam b/share/patchfiles/Roland_XV_88.midnam
index 7b9332d441..0159fadc39 100644
--- a/share/patchfiles/Roland_XV_88.midnam
+++ b/share/patchfiles/Roland_XV_88.midnam
@@ -1627,7 +1627,7 @@
       <Patch Number="GM 0-19" Name="Organ 3" ProgramChange="18"/>
       <Patch Number="GM 0-20" Name="Church Org.1" ProgramChange="19"/>
       <Patch Number="GM 0-21" Name="Reed Organ" ProgramChange="20"/>
-      <Patch Number="GM 0-22" Name="Accordian Fr" ProgramChange="21"/>
+      <Patch Number="GM 0-22" Name="Accordion Fr" ProgramChange="21"/>
       <Patch Number="GM 0-23" Name="Harmonica" ProgramChange="22"/>
       <Patch Number="GM 0-24" Name="Bandneon" ProgramChange="23"/>
       <Patch Number="GM 0-25" Name="Nylon-str.Gt" ProgramChange="24"/>
@@ -1751,7 +1751,7 @@
       <Patch Number="GM 1-18" Name="Chorus Or.2" ProgramChange="17"/>
       <Patch Number="GM 1-20" Name="Church Org.2" ProgramChange="19"/>
       <Patch Number="GM 1-21" Name="Puff Organ" ProgramChange="20"/>
-      <Patch Number="GM 1-22" Name="Accordian It" ProgramChange="21"/>
+      <Patch Number="GM 1-22" Name="Accordion It" ProgramChange="21"/>
       <Patch Number="GM 1-25" Name="Ukulele" ProgramChange="24"/>
       <Patch Number="GM 1-26" Name="12-str.Gt" ProgramChange="25"/>
       <Patch Number="GM 1-27" Name="Pedal Steel" ProgramChange="26"/>
diff --git a/share/patchfiles/Yamaha_CVP_103_105.midnam b/share/patchfiles/Yamaha_CVP_103_105.midnam
index e11a1d63ad..d192015fc1 100644
--- a/share/patchfiles/Yamaha_CVP_103_105.midnam
+++ b/share/patchfiles/Yamaha_CVP_103_105.midnam
@@ -552,7 +552,7 @@
               <ProgramChange Number="19"/>
             </PatchMIDICommands>
           </Patch>
-          <Patch Number="4" Name="Accordian">
+          <Patch Number="4" Name="Accordion">
             <PatchMIDICommands>
               <ControlChange Control="0" Value="0"/>
               <ControlChange Control="32" Value="112"/>
diff --git a/share/patchfiles/Yamaha_CVP_107_109_700.midnam b/share/patchfiles/Yamaha_CVP_107_109_700.midnam
index b65eed9a73..fc1d04e12c 100644
--- a/share/patchfiles/Yamaha_CVP_107_109_700.midnam
+++ b/share/patchfiles/Yamaha_CVP_107_109_700.midnam
@@ -629,7 +629,7 @@
               <ProgramChange Number="19"/>
             </PatchMIDICommands>
           </Patch>
-          <Patch Number="4" Name="Accordian 1">
+          <Patch Number="4" Name="Accordion 1">
             <PatchMIDICommands>
               <ControlChange Control="0" Value="0"/>
               <ControlChange Control="32" Value="112"/>
@@ -699,7 +699,7 @@
               <ProgramChange Number="23"/>
             </PatchMIDICommands>
           </Patch>
-          <Patch Number="14" Name="Accordian 2">
+          <Patch Number="14" Name="Accordion 2">
             <PatchMIDICommands>
               <ControlChange Control="0" Value="0"/>
               <ControlChange Control="32" Value="114"/>
diff --git a/share/patchfiles/Yamaha_MM6.midnam b/share/patchfiles/Yamaha_MM6.midnam
index 95275853e3..c3603d75be 100644
--- a/share/patchfiles/Yamaha_MM6.midnam
+++ b/share/patchfiles/Yamaha_MM6.midnam
@@ -299,7 +299,7 @@
       <Patch Number="20" Name="GM Church Organ" ProgramChange="19"/>
       <Patch Number="21" Name="GM Reed Organ" ProgramChange="20"/>
       <Patch Number="22" Name="GM Harmonica" ProgramChange="21"/>
-      <Patch Number="23" Name="GM Accordian" ProgramChange="22"/>
+      <Patch Number="23" Name="GM Accordion" ProgramChange="22"/>
       <Patch Number="24" Name="GM tango Accord." ProgramChange="23"/>
       <Patch Number="25" Name="GM Nylon Guitar" ProgramChange="24"/>
       <Patch Number="26" Name="GM Steel Guitar" ProgramChange="25"/>
@@ -480,7 +480,7 @@
       <Patch Number="113" Name="Twinkle" ProgramChange="112"/>
       <Patch Number="115" Name="Steel Drums" ProgramChange="114"/>
       <Patch Number="48" Name="Timpani" ProgramChange="47"/>
-      <Patch Number="22" Name="Musette Accordian" ProgramChange="21"/>
+      <Patch Number="22" Name="Musette Accordion" ProgramChange="21"/>
       <Patch Number="23" Name="Harmonica" ProgramChange="22"/>
       <Patch Number="25" Name="Classical Guitar" ProgramChange="24"/>
       <Patch Number="26" Name="Folk Guitar" ProgramChange="25"/>
diff --git a/share/patchfiles/Yamaha_MOTIF_6_7_8.midnam b/share/patchfiles/Yamaha_MOTIF_6_7_8.midnam
index 1b13c635fc..e344f77326 100644
--- a/share/patchfiles/Yamaha_MOTIF_6_7_8.midnam
+++ b/share/patchfiles/Yamaha_MOTIF_6_7_8.midnam
@@ -617,7 +617,7 @@
           <Patch Number="019" Name="Rock Organ" ProgramChange="18"/>
           <Patch Number="020" Name="Church Organ" ProgramChange="19"/>
           <Patch Number="021" Name="Reed Organ" ProgramChange="20"/>
-          <Patch Number="022" Name="Accordian" ProgramChange="21"/>
+          <Patch Number="022" Name="Accordion" ProgramChange="21"/>
           <Patch Number="023" Name="Harmonica" ProgramChange="22"/>
           <Patch Number="024" Name="TangoAccrd" ProgramChange="23"/>
           <Patch Number="025" Name="Nylon Gt" ProgramChange="24"/>
diff --git a/share/patchfiles/Yamaha_MOTIF_Rack.midnam b/share/patchfiles/Yamaha_MOTIF_Rack.midnam
index 39384d2193..6dbf368ee6 100644
--- a/share/patchfiles/Yamaha_MOTIF_Rack.midnam
+++ b/share/patchfiles/Yamaha_MOTIF_Rack.midnam
@@ -887,7 +887,7 @@
           <Patch Number="019" Name="Rock Organ" ProgramChange="18"/>
           <Patch Number="020" Name="Church Organ" ProgramChange="19"/>
           <Patch Number="021" Name="Reed Organ" ProgramChange="20"/>
-          <Patch Number="022" Name="Accordian" ProgramChange="21"/>
+          <Patch Number="022" Name="Accordion" ProgramChange="21"/>
           <Patch Number="023" Name="Harmonica" ProgramChange="22"/>
           <Patch Number="024" Name="TangoAccrd" ProgramChange="23"/>
           <Patch Number="025" Name="Nylon Gt" ProgramChange="24"/>
diff --git a/share/patchfiles/Yamaha_MOTIF_XS.midnam b/share/patchfiles/Yamaha_MOTIF_XS.midnam
index 83e842bbbf..afdfd76c8b 100644
--- a/share/patchfiles/Yamaha_MOTIF_XS.midnam
+++ b/share/patchfiles/Yamaha_MOTIF_XS.midnam
@@ -184,7 +184,7 @@
       <Patch Number="002" Name="Rock Organ" ProgramChange="18"/>
       <Patch Number="003" Name="Church Organ" ProgramChange="19"/>
       <Patch Number="001" Name="Reed Organ" ProgramChange="20"/>
-      <Patch Number="002" Name="Accordian" ProgramChange="21"/>
+      <Patch Number="002" Name="Accordion" ProgramChange="21"/>
       <Patch Number="003" Name="Harmonica" ProgramChange="22"/>
       <Patch Number="004" Name="Tengo Accordion" ProgramChange="23"/>
       <Patch Number="005" Name="Nylon Guitar" ProgramChange="24"/>
diff --git a/share/patchfiles/Yamaha_PSR_9000.midnam b/share/patchfiles/Yamaha_PSR_9000.midnam
index f18e1f22aa..1bbc23103b 100644
--- a/share/patchfiles/Yamaha_PSR_9000.midnam
+++ b/share/patchfiles/Yamaha_PSR_9000.midnam
@@ -441,7 +441,7 @@
           </Patch>
         </PatchNameList>
       </PatchBank>
-      <PatchBank Name="Accordian">
+      <PatchBank Name="Accordion">
         <PatchNameList>
           <Patch Number="001" Name="Musette">
             <PatchMIDICommands>
@@ -464,7 +464,7 @@
               <ProgramChange Number="21"/>
             </PatchMIDICommands>
           </Patch>
-          <Patch Number="004" Name="Accordian">
+          <Patch Number="004" Name="Accordion">
             <PatchMIDICommands>
               <ControlChange Control="0" Value="0"/>
               <ControlChange Control="32" Value="116"/>
diff --git a/share/patchfiles/Yamaha_S30_80.midnam b/share/patchfiles/Yamaha_S30_80.midnam
index 96b887d004..132230acfe 100644
--- a/share/patchfiles/Yamaha_S30_80.midnam
+++ b/share/patchfiles/Yamaha_S30_80.midnam
@@ -1102,7 +1102,7 @@
           <Patch Number="121" Name="Sitar" ProgramChange="120"/>
           <Patch Number="122" Name="Breath Flute" ProgramChange="121"/>
           <Patch Number="123" Name="Pan Flute" ProgramChange="122"/>
-          <Patch Number="124" Name="Accordian" ProgramChange="123"/>
+          <Patch Number="124" Name="Accordion" ProgramChange="123"/>
           <Patch Number="125" Name="Monica" ProgramChange="124"/>
           <Patch Number="126" Name="BluesHarp" ProgramChange="125"/>
           <Patch Number="127" Name="Amandla" ProgramChange="126"/>
diff --git a/share/patchfiles/Yamaha_Tyros.midnam b/share/patchfiles/Yamaha_Tyros.midnam
index 67df7a8eb5..e348c9ec81 100644
--- a/share/patchfiles/Yamaha_Tyros.midnam
+++ b/share/patchfiles/Yamaha_Tyros.midnam
@@ -2437,7 +2437,7 @@
           </Patch>
         </PatchNameList>
       </PatchBank>
-      <PatchBank Name="Accordian">
+      <PatchBank Name="Accordion">
         <PatchNameList>
           <Patch Number="001" Name="Musette">
             <PatchMIDICommands>
@@ -2460,7 +2460,7 @@
               <ProgramChange Number="21"/>
             </PatchMIDICommands>
           </Patch>
-          <Patch Number="004" Name="Accordian">
+          <Patch Number="004" Name="Accordion">
             <PatchMIDICommands>
               <ControlChange Control="0" Value="0"/>
               <ControlChange Control="32" Value="116"/>