     }
     num++;
 
-    Serial.print("Teensy Chord Player - Diagnostics (Audio CPU and Audio Mem max usages: ");
+    Serial.println("Teensy Chord Player");
+    Serial.print("Key ");
+    Serial.println(gKeyOffset);
+    Serial.println("Diagnostics (Audio CPU and Audio Mem max usages: ");
     Serial.print(AudioProcessorUsageMax());
     Serial.print(" ");
     Serial.println(AudioMemoryUsageMax());

}

void showButtonStates() {
    Serial.print("buttons ");
    Serial.print(buttonStates[0]);
    Serial.print(buttonStates[1]);
    Serial.print(buttonStates[2]);
    Serial.println(buttonStates[3]);
}
void loop() {
  // put your main code here, to run repeatedly:

  // put your setup code here, to run once:

  Serial.begin(115200);
  for (int i = 3; i < 7; i++) {
    pinMode(i, INPUT_PULLUP);
  }

