diff --git a/src/Dexed.ttl b/src/Dexed.ttl
index 3725778..fc3a15d 100644
--- a/src/Dexed.ttl
+++ b/src/Dexed.ttl
@@ -488,7 +488,7 @@ The original engine comes from MSFA (music synthesizer for android) which is bas
         lv2:index 28 ;
         lv2:symbol "transpose" ;
         lv2:name "MIDDLE C" ;
-        lv2:default 24 ;
+        lv2:default 12 ;
         lv2:minimum 0 ;
         lv2:maximum 48 ;
 	lv2:portProperty lv2:integer ;
diff --git a/src/dexed.cpp b/src/dexed.cpp
index 4b085d5..ae0f1a8 100644
--- a/src/dexed.cpp
+++ b/src/dexed.cpp
@@ -133,13 +133,11 @@ Dexed::~Dexed()
 {
   TRACE("Hi");
 
-  TRACE("0");
   if(outbuf_)
     delete [] outbuf_;
 
   currentNote = -1;
 
-  TRACE("1");
   for (uint8_t note = 0; note < MAX_ACTIVE_NOTES; ++note)
   {
     if(voices[note].dx7_note)
@@ -148,16 +146,12 @@ Dexed::~Dexed()
     } 
   }
 
-  TRACE("2");
   if(engineMsfa)
     delete(engineMsfa);
-  TRACE("3");
   if(engineOpl)
     delete(engineOpl);
-  TRACE("4");
   if(engineMkI)
     delete(engineMkI);
-  TRACE("5");
 
   TRACE("Bye");
   TRACE("--------------------------------------------------------------------------------");
@@ -664,7 +658,7 @@ TRACE("pitch=%d, velo=%d\n",pitch,velo);
         return;
     }
 
-    pitch += data[144] - 24;
+    pitch += data[144] - 12;
     
     uint8_t note = currentNote;
     uint8_t keydown_counter=0;
@@ -716,7 +710,7 @@ void Dexed::keyup(uint8_t pitch) {
 TRACE("Hi");
 TRACE("pitch=%d\n",pitch);
 
-    pitch += data[144] - 24;
+    pitch += data[144] - 12;
 
     uint8_t note;
     for (note=0; note<max_notes; ++note) {
@@ -742,7 +736,7 @@ TRACE("pitch=%d\n",pitch);
             }
         }
         
-        if ( highNote != -1 ) {
+        if ( highNote != -1 && voices[note].live ) {
             voices[note].live = false;
             voices[target].live = true;
             voices[target].dx7_note->transferState(*voices[note].dx7_note);
diff --git a/src/dexed.h b/src/dexed.h
index ebafd84..30a1f42 100644
--- a/src/dexed.h
+++ b/src/dexed.h
@@ -132,7 +132,7 @@ class Dexed : public lvtk::Synth<DexedVoice, Dexed>
       94, 67, 95, 60, 50, 50, 50, 50,
       04, 06, 00,
       34, 33, 00, 00, 00, 04,
-      03, 24,
+      03, 12, // TRSPS
       00, 00, 00, 00, 00, 00, 00, 00, 00, 00,
       01, 00, 99, 00, 99, 00, 99, 00, 99, 00,
       00,
diff --git a/src/dexed_ttl.h b/src/dexed_ttl.h
index 0d81fc7..78e5709 100644
--- a/src/dexed_ttl.h
+++ b/src/dexed_ttl.h
@@ -221,7 +221,7 @@ static const peg_data_t p_ports[] = {
   { 0, 99, 0, 0, 1, 0 }, 
   { 0, 1, 0, 1, 1, 0 }, 
   { 0, 5, 4, 0, 1, 0 }, 
-  { 0, 48, 24, 0, 1, 0 }, 
+  { 0, 48, 12, 0, 1, 0 }, 
   { 0, 7, 3, 0, 1, 0 }, 
   { 0, 99, 94, 0, 1, 0 }, 
   { 0, 99, 67, 0, 1, 0 },