  int tonepin = 13;  // PWM0 output = 9, PWM1 output = 10
 
  // these are the "piano keys" - they are just input pins
+ #define D3 3
+ #define D4 4
+ #define D5 5
  #define D6 6
  #define D7 7
  #define D8 8


 void setup() {          
   // setup internal pullups on "piano keys" (pins D2 through D6)
   pinMode(D6, INPUT);
   pinMode(D7, INPUT);
   pinMode(D8, INPUT);

   pinMode(D10, INPUT);
   pinMode(D11, INPUT);
   
   digitalWrite(D3, HIGH);
   digitalWrite(D4, HIGH);
   digitalWrite(D5, HIGH);
   digitalWrite(D6, HIGH);
   digitalWrite(D7, HIGH);
   digitalWrite(D8, HIGH);
