void setup() {
  // put your setup code here, to run once:

  pinMode(2, INPUT_PULLUP);
  pinMode(3, INPUT_PULLUP);
  pinMode(4, INPUT_PULLUP);
  pinMode(5, INPUT_PULLUP);
  pinMode(6, INPUT_PULLUP);
  pinMode(7, INPUT_PULLUP);
  pinMode(8, INPUT_PULLUP);

}

void loop() {
  // put your main code here, to run repeatedly:

  if(!digitalRead(8))
  {
    tone(13, 523, 10);
  }
  if(!digitalRead(7))
  {
    tone(13, 587, 10);
  }
  if(!digitalRead(6))
  {
    tone(13, 659, 10);
  }
  if(!digitalRead(5))
  {
    tone(13, 698, 10);
  }
  if(!digitalRead(4))
  {
    tone(13, 784, 10);
  }
  if(!digitalRead(3))
  {
    tone(13, 880, 10);
  }
  if(!digitalRead(2))
  {
    tone(13, 988, 10);
  }

}