diff --git a/libs/ardour/luabindings.cc b/libs/ardour/luabindings.cc
index 09ff8f83ca..59b9f6d741 100644
--- a/libs/ardour/luabindings.cc
+++ b/libs/ardour/luabindings.cc
@@ -1128,6 +1128,10 @@ LuaBindings::common (lua_State* L)
 		.addFunction ("duplicate_range", &Playlist::duplicate_range)
 		.addFunction ("combine", &Playlist::combine)
 		.addFunction ("uncombine", &Playlist::uncombine)
+		.addFunction ("used", &Playlist::used)
+		.addFunction ("hidden", &Playlist::hidden)
+		.addFunction ("empty", &Playlist::empty)
+		.addFunction ("shared", &Playlist::shared)
 		.addFunction ("split_region", &Playlist::split_region)
 		.addFunction ("get_orig_track_id", &Playlist::get_orig_track_id)
 		//.addFunction ("split", &Playlist::split) // XXX needs MusicSample