#define pause 500
#define speaker_pin 2

void setup() {
  pinMode(speaker_pin, OUTPUT);
}
void loop() {
  for (byte i = 0; i < 4; i++) {
    tone(speaker_pin, 580);
    delay(pause);
    tone(speaker_pin, 435);
    delay(pause);
  }
  
  for (byte i = 0; i < 4; i++) {
    tone(speaker_pin, 587);
    delay(200);
    tone(speaker_pin, 440);
    delay(200);
  }
}