diff --git a/MicroMDAEPiano.ino b/MicroMDAEPiano.ino
index 51f7038..9f0efef 100644
--- a/MicroMDAEPiano.ino
+++ b/MicroMDAEPiano.ino
@@ -337,38 +337,74 @@ void loop()
 void handleNoteOn_MIDI_DEVICE_DIN(byte inChannel, byte inNumber, byte inVelocity)
 {
   handleNoteOn(byte inChannel, byte inNumber, byte inVelocity);
+#ifdef DEBUG
+  Serial.print(F("[MIDI_DIN] NoteOn"));
+#endif
 #ifdef MIDI_MERGE_THRU
 #ifdef MIDI_DEVICE_USB_HOST
   midi_usb.send(midi::NoteOn, inNumber, inVelocity, inChannel);
+#ifdef DEBUG
+  Serial.print(F(" THRU->MIDI_USB_HOST"));
+#endif
 #endif
 #ifdef MIDI_DEVICE_USB
   midi_onboard_usb.send(midi::NoteOn, inNumber, inVelocity, inChannel);
+#ifdef DEBUG
+  Serial.print(F(" THRU->MIDI_USB"));
+#endif
+#endif
+#ifdef DEBUG
+  Serial.println();
 #endif
 #endif
 }
 
 void handleNoteOff_MIDI_DEVICE_DIN(byte inChannel, byte inNumber, byte inVelocity)
 {
-  handleNoteOff(byte inChannel, byte inNumber, byte inVelocity)
+  handleNoteOff(byte inChannel, byte inNumber, byte inVelocity);
+#ifdef DEBUG
+  Serial.print(F("[MIDI_DIN] NoteOff"));
+#endif
 #ifdef MIDI_MERGE_THRU
 #ifdef MIDI_DEVICE_USB_HOST
   midi_usb.send(midi::NoteOff, inNumber, inVelocity, inChannel);
+#ifdef DEBUG
+  Serial.print(F(" THRU->MIDI_USB_HOST"));
+#endif
 #endif
 #ifdef MIDI_DEVICE_USB
   midi_onboard_usb.send(midi::NoteOff, inNumber, inVelocity, inChannel);
+#ifdef DEBUG
+  Serial.print(F(" THRU->MIDI_USB"));
+#endif
+#endif
+#ifdef DEBUG
+  Serial.println();
 #endif
 #endif
 }
 
 void handleControlChange_MIDI_DEVICE_DIN(byte inChannel, byte inData1, byte inData2)
 {
-  handleControlChange(byte inChannel, byte inData1, byte inData2)
+  handleControlChange(byte inChannel, byte inData1, byte inData2);
+#ifdef DEBUG
+  Serial.print(F("[MIDI_DIN] CC"));
+#endif
 #ifdef MIDI_MERGE_THRU
 #ifdef MIDI_DEVICE_USB_HOST
   midi_usb.send(midi::ControlChange, inData1, inData2, inChannel);
+#ifdef DEBUG
+  Serial.print(F(" THRU->MIDI_USB_HOST"));
+#endif
 #endif
 #ifdef MIDI_DEVICE_USB
   midi_onboard_usb.send(midi::ControlChange, inData1, inData2, inChannel);
+#ifdef DEBUG
+  Serial.print(F( "THRU->MIDI_USB"));
+#endif
+#endif
+#ifdef DEBUG
+  Serial.println();
 #endif
 #endif
 }
@@ -378,12 +414,24 @@ void handleControlChange_MIDI_DEVICE_DIN(byte inChannel, byte inData1, byte inDa
 void handleNoteOn_MIDI_DEVICE_USB_HOST(byte inChannel, byte inNumber, byte inVelocity)
 {
   handleNoteOn(inChannel, inNumber, inVelocity);
+#ifdef DEBUG
+  Serial.print(F("[MIDI_USB_HOST] NoteOn"));
+#endif
 #ifdef MIDI_MERGE_THRU
 #ifdef MIDI_DEVICE_DIN
   midi_serial.send(midi::NoteOn, inNumber, inVelocity, inChannel);
+#ifdef DEBUG
+  Serial.print(F(" THRU->MIDI_DIN"));
+#endif
 #endif
 #ifdef MIDI_DEVICE_USB
   midi_onboard_usb.send(midi::NoteOn, inNumber, inVelocity, inChannel);
+#ifdef DEBUG
+  Serial.print(F(" THRU->MIDI_USB"));
+#endif
+#endif
+#ifdef DEBUG
+  Serial.println();
 #endif
 #endif
 }
@@ -391,12 +439,25 @@ void handleNoteOn_MIDI_DEVICE_USB_HOST(byte inChannel, byte inNumber, byte inVel
 void handleNoteOff_MIDI_DEVICE_USB_HOST(byte inChannel, byte inNumber, byte inVelocity)
 {
   handleNoteOff(inChannel, inNumber, inVelocity);
+#ifdef DEBUG
+  Serial.print(F("[MIDI_USB_HOST] NoteOff"));
+#endif
+
 #ifdef MIDI_MERGE_THRU
 #ifdef MIDI_DEVICE_DIN
   midi_serial.send(midi::NoteOff, inNumber, inVelocity, inChannel);
+#ifdef DEBUG
+  Serial.print(F(" THRU->MIDI_DIN"));
+#endif
 #endif
 #ifdef MIDI_DEVICE_USB
   midi_onboard_usb.send(midi::NoteOff, inNumber, inVelocity, inChannel);
+#ifdef DEBUG
+  Serial.print(F(" THRU->MIDI_USB"));
+#endif
+#endif
+#ifdef DEBUG
+  Serial.println();
 #endif
 #endif
 }
@@ -404,12 +465,24 @@ void handleNoteOff_MIDI_DEVICE_USB_HOST(byte inChannel, byte inNumber, byte inVe
 void handleControlChange_MIDI_DEVICE_USB_HOST(byte inChannel, byte inData1, byte inData2)
 {
   handleControlChange(inChannel, inData1, inData2);
+#ifdef DEBUG
+  Serial.print(F("[MIDI_USB_HOST] CC"));
+#endif
 #ifdef MIDI_MERGE_THRU
 #ifdef MIDI_DEVICE_DIN
   midi_serial.send(midi::ControlChange, inData1, inData2, inChannel);
+#ifdef DEBUG
+  Serial.print(F(" THRU->MIDI_DIN"));
+#endif
 #endif
 #ifdef MIDI_DEVICE_USB
   midi_onboard_usb.send(midi::ControlChange, inData1, inData2, inChannel);
+#ifdef DEBUG
+  Serial.print(F(" THRU->MIDI_USB"));
+#endif
+#endif
+#ifdef DEBUG
+  Serial.println();
 #endif
 #endif
 }
@@ -419,12 +492,24 @@ void handleControlChange_MIDI_DEVICE_USB_HOST(byte inChannel, byte inData1, byte
 void handleNoteOn_MIDI_DEVICE_USB(byte inChannel, byte inNumber, byte inVelocity)
 {
   handleNoteOn(inChannel, inNumber, inVelocity);
+#ifdef DEBUG
+  Serial.print(F("[MIDI_USB] NoteOn"));
+#endif
 #ifdef MIDI_MERGE_THRU
 #ifdef MIDI_DEVICE_DIN
   midi_serial.send(midi::NoteOn, inNumber, inVelocity, inChannel);
+#ifdef DEBUG
+  Serial.print(F(" THRU->MIDI_DIN"));
+#endif
 #endif
 #ifdef MIDI_DEVICE_USB_HOST
   midi_usb.send(midi::NoteOn, inNumber, inVelocity, inChannel);
+#ifdef DEBUG
+  Serial.print(F(" THRU->MIDI_USB_HOST"));
+#endif
+#endif
+#ifdef DEBUG
+  Serial.println();
 #endif
 #endif
 }
@@ -432,12 +517,24 @@ void handleNoteOn_MIDI_DEVICE_USB(byte inChannel, byte inNumber, byte inVelocity
 void handleNoteOff_MIDI_DEVICE_USB(byte inChannel, byte inNumber, byte inVelocity)
 {
   handleNoteOff(inChannel, inNumber, inVelocity);
+#ifdef DEBUG
+  Serial.print(F("[MIDI_USB] NoteOff"));
+#endif
 #ifdef MIDI_MERGE_THRU
 #ifdef MIDI_DEVICE_DIN
   midi_serial.send(midi::NoteOff, inNumber, inVelocity, inChannel);
+#ifdef DEBUG
+  Serial.print(F(" THRU->MIDI_DIN"));
+#endif
 #endif
 #ifdef MIDI_DEVICE_USB_HOST
   midi_usb.send(midi::NoteOff, inNumber, inVelocity, inChannel);
+#ifdef DEBUG
+  Serial.print(F(" THRU->MIDI_USB_HOST"));
+#endif
+#endif
+#ifdef DEBUG
+  Serial.println();
 #endif
 #endif
 }
@@ -445,12 +542,24 @@ void handleNoteOff_MIDI_DEVICE_USB(byte inChannel, byte inNumber, byte inVelocit
 void handleControlChange_MIDI_DEVICE_USB(byte inChannel, byte inData1, byte inData2)
 {
   handleControlChange(inChannel, inData1, inData2);
+#ifdef DEBUG
+  Serial.print(F("[MIDI_USB] CC"));
+#endif
 #ifdef MIDI_MERGE_THRU
 #ifdef MIDI_DEVICE_DIN
   midi_serial.send(midi::ControlChange, inData1, inData2, inChannel);
+#ifdef DEBUG
+  Serial.print(F(" THRU->MIDI_DIN"));
+#endif
 #endif
 #ifdef MIDI_DEVICE_USB_HOST
   midi_usb.send(midi::ControlChange, inData1, inData2, inChannel);
+#ifdef DEBUG
+  Serial.print(F(" THRU->MIDI_USB_HOST"));
+#endif
+#endif
+#ifdef DEBUG
+  Serial.println();
 #endif
 #endif
 }
diff --git a/name.c b/name.c
new file mode 100644
index 0000000..f08fcfb
--- /dev/null
+++ b/name.c
@@ -0,0 +1,11 @@
+#include "usb_names.h"
+#define MIDI_NAME   {'M','i','c','r','o','M','D','A','E','p','i','a','n','o'}
+#define MIDI_NAME_LEN 14
+
+// Do not change this part.  This exact format is required by USB.
+
+struct usb_string_descriptor_struct usb_string_product_name = {
+        2 + MIDI_NAME_LEN * 2,
+        3,
+        MIDI_NAME
+};