3 files changed, 26 insertions, 0 deletions
diff --git a/muse2/share/instruments/gm.idf b/muse2/share/instruments/gm.idf
index 69e02503..f0a66ecb 100644
--- a/muse2/share/instruments/gm.idf
+++ b/muse2/share/instruments/gm.idf
@@ -1,6 +1,12 @@
 <?xml version="1.0"?>
 <muse version="1.0">
   <MidiInstrument name="GM" nullparam="32639">
+    <SysEx name="GM on">
+      <comment>Switch General Midi mode on</comment>
+      <data>7e 7f 09 01</data>
+      </SysEx>
+    <Init>
+      </Init>
     <PatchGroup name="Piano">
       <Patch name="Grand Piano" prog="0" />
       <Patch name="Bright Piano" prog="1" />
diff --git a/muse2/share/instruments/gs.idf b/muse2/share/instruments/gs.idf
index 9314e282..3f03f6bc 100644
--- a/muse2/share/instruments/gs.idf
+++ b/muse2/share/instruments/gs.idf
@@ -1,6 +1,12 @@
 <?xml version="1.0"?>
 <muse version="1.0">
   <MidiInstrument name="GS" nullparam="32639">
+    <SysEx name="GS on">
+      <comment>Switch GS mode on</comment>
+      <data>0x41 0x10 0x42 0x12 0x40 0x00 0x7f 0x00 0x41</data>
+      </SysEx>
+    <Init>
+      </Init>
     <PatchGroup name="Piano">
       <Patch name="Grand Piano" hbank="0" lbank="0" prog="0" />
       <Patch name="Bright Piano" hbank="0" lbank="0" prog="1" />
diff --git a/muse2/share/instruments/xg.idf b/muse2/share/instruments/xg.idf
index c281df66..5c3175bf 100644
--- a/muse2/share/instruments/xg.idf
+++ b/muse2/share/instruments/xg.idf
@@ -1,6 +1,20 @@
 <?xml version="1.0"?>
 <muse version="1.0">
   <MidiInstrument name="XG" nullparam="32639">
+    <SysEx name="XG on">
+      <comment>Switch XG mode on</comment>
+      <data>0x43 0x10 0x4c 0x00 0x00 0x7e 0x00</data>
+      </SysEx>
+    <Init>
+      <!-- 
+        <event tick="0" type="2" datalen="4"> 
+            7e 7f 09 01           
+            </event>
+        <event tick="0" type="2" datalen="7">
+            43 10 4c 00 00 7e 00           
+            </event>
+            -->      
+      </Init>
     <PatchGroup name="Piano">
       <Patch name="Grand Piano" hbank="0" lbank="0" prog="0" />
       <Patch name="GrndPnoK" hbank="0" lbank="1" prog="0" />