const byte buzzerPin = 9;

int nada[] = {262, 294, 330, 349, 392, 440, 494}; 

int durasi[] = {500, 500, 500, 500, 500, 500, 500}; 

void setup() {
}

void loop() {

  for (int i = 0; i < 7; i++) {
  
    tone(buzzerPin, nada[i]);
    

    delay(durasi[i]);
    
  
    noTone(buzzerPin);
    
  
    delay(100);
  }
  
  delay(1000);
}