#define buzzer 7
#define led 8

int melody[] = {
  2637, 2637, 0, 2637,
  0, 2093, 2637, 0,
  3136, 0, 0,  0,
  1568, 0, 0, 0,

  2093, 0, 0, 1568,
  0, 0, 1319, 0,
  0, 1760, 0, 1976,
  0, 1865, 1760, 0,

  1568, 2637, 3136,
  3520, 0, 2794, 3136,
  0, 2637, 0, 2093,
  2349, 1976, 0, 0
};

int noteDurations[] = {
  12, 12, 12, 12,
  12, 12, 12, 12,
  9, 12, 12, 12,
  12, 12, 12, 12,

  12, 12, 12, 12,
  12, 12, 12, 12,
  12, 12, 12, 12,
  12, 12, 12, 12,

  9, 12, 12,
  12, 12, 12, 12,
  12, 12, 12, 12,
  12, 12, 12, 12
};

void setup() {
  pinMode(buzzer, OUTPUT);
  pinMode(led, OUTPUT);
}

void loop() {
  for (int i = 0; i < sizeof(melody) / sizeof(int); i++) {
    int duration = 1000 / noteDurations[i];
    tone(buzzer, melody[i], duration);
    digitalWrite(led, HIGH);
    delay(duration * 1.3);
    noTone(buzzer);
    digitalWrite(led, LOW);
    delay(duration * 1.3);
  }
}