#include "pitches.h"
int sw1 = 1;
int sw2 = 2;
int sw3 = 3;
int melody[] = {
  
NOTE_E5, NOTE_E5, NOTE_E5,
NOTE_E5, NOTE_E5, NOTE_E5,
NOTE_E5, NOTE_G5, NOTE_C5, NOTE_D5,
NOTE_E5};

#define SPEAKER_PIN 5

const uint8_t buttonPins[] = {1,2,3};
const int buttonTones[] = {
  NOTE_C4, NOTE_D4, NOTE_E4, 
};
const int numTones = sizeof(buttonPins) / sizeof(buttonPins[0]);

void setup() {
  for (uint8_t i = 0; i < numTones; i++) {
    
    pinMode(buttonPins[i], INPUT_PULLUP);
  
  }
 
}

void loop() {
 
  int pitch = 0;
  for (uint8_t i = 0; i < numTones; i++) {
    if (digitalRead(buttonPins[i]) == LOW) {
      pitch = buttonTones[i];
     digitalWrite(2,HIGH);
  delay(0.5);
  digitalWrite(2, HIGH);
  delay(0.5); 
noTone (8);

    }
  }
  if (pitch) {
    tone(SPEAKER_PIN, pitch);
  } else {
    noTone(SPEAKER_PIN);
  }
  
}