int n_notes = 8;
int C = 262;
int D = 294;
int E = 330;
int F = 350;
int G = 392;
int A = 440;
int B = 494;
int C_H = 523;

int notes[ ] = {C, D, E, F, G, A, B, C_H};

void setup() {
  // put your setup code here, to run once:
  pinMode(5, OUTPUT);

  for (int i = 0; i < 8;  i++) {
    tone(5, notes[i]);
         delay(500);
         noTone(2);
         delay(2);
  }
}

void loop() {
  // put your main code here, to run repeatedly:

}