#include "pitches.h"

int melody[] = {
  NOTE_E4, NOTE_E4, NOTE_F4, NOTE_G4,
  NOTE_G4, NOTE_F4, NOTE_E4, NOTE_D4,
  NOTE_C4, NOTE_C4, NOTE_D4, NOTE_E4,
  NOTE_E4, NOTE_D4, NOTE_D4, NOTE_E4,
  NOTE_E4, NOTE_F4, NOTE_G4, NOTE_G4,
  NOTE_F4, NOTE_E4, NOTE_D4, NOTE_C4,
  NOTE_C4, NOTE_D4, NOTE_E4, NOTE_D4,
  NOTE_C4, NOTE_C4
};

int noteDurations[] = {
  4, 4, 4, 4,
  4, 4, 4, 4,
  4, 4, 4, 4,
  4, 4, 4, 4,
  4, 4, 4, 4,
  4, 4, 4, 4,
  4, 4, 4, 4,
  4, 4
};

void setup() {
  for (int i = 2; i <= 9; i++) {
    pinMode(i, OUTPUT);
  }
}

void loop() {
  playMelody();
}

void playMelody() {
  for (int i = 0; i < sizeof(melody) / sizeof(melody[0]); i++) {
    int noteDuration = 1000 / noteDurations[i];
    tone(8, melody[i], noteDuration);

    for (int j = 2; j <= 9; j++) {
      digitalWrite(j, HIGH); // turn on all LEDs
    }

    delay(noteDuration * 0.9);

    noTone(8);

    for (int j = 2; j <= 9; j++) {
      digitalWrite(j, LOW); // turn off all LEDs
    }

    delay(50);
  }
  delay(2000); // Wait for 2 seconds before playing again
}