#define BUZZER_PIN 4

int notes[] = {262, 262, 392, 392, 440, 440, 392,
               349, 349, 330, 330, 294, 294, 262,
               392, 392, 349, 349, 330, 330, 294,
               392, 392, 349, 349, 330, 330, 294,
               262, 262, 392, 392, 440, 440, 392,
               349, 349, 330, 330, 294, 294, 262
              };

int duration[] = {300, 300, 300, 300, 300, 300, 500,
                  300, 300, 300, 300, 300, 300, 500,
                  300, 300, 300, 300, 300, 300, 500,
                  300, 300, 300, 300, 300, 300, 500,
                  300, 300, 300, 300, 300, 300, 500,
                  300, 300, 300, 300, 300, 300, 500
                 };

void setup() {

  pinMode(BUZZER_PIN, OUTPUT);
}

void loop() {

  for (int i = 0; i < sizeof(notes) / sizeof(notes[0]); i++) {
    tone(BUZZER_PIN, notes[i], duration[i]);
    delay(duration[i] * 1.3);
  }
  noTone(BUZZER_PIN);
  delay(2000);
}