int buzzer = 8;

void setup() {

  pinMode(buzzer, OUTPUT);

}

void loop(){
  // Ibu Kita Kartini lagu nasional indonesia
  tone(buzzer, 262); delay(1500); //1
  tone(buzzer, 294); delay(500); //2
  tone(buzzer, 330); delay(1000); //3
  tone(buzzer, 349); delay(1000); //4
  
  tone(buzzer, 395); delay(1500); //5
  tone(buzzer, 330); delay(500); //3
  tone(buzzer, 262); delay(2000); //1

  tone(buzzer, 440); delay(1500); //6
  tone(buzzer, 523); delay(500); //1'
  tone(buzzer, 494); delay(1000); //7
  tone(buzzer, 440); delay(1000); //6

  tone(buzzer, 395); delay(4000); //5

  tone(buzzer, 349); delay(1500); //4
  tone(buzzer, 440); delay(500); //6
  tone(buzzer, 395); delay(1000); //5
  tone(buzzer, 349); delay(1000); //4

  tone(buzzer, 330); delay(2000); //3
  tone(buzzer, 262); delay(2000); //1

  tone(buzzer, 294); delay(1500); //2
  tone(buzzer, 349); delay(500); //4
  tone(buzzer, 330); delay(1000); //3
  tone(buzzer, 294); delay(1000); //2

  tone(buzzer, 262); delay(4000); //1
}