int speakerPin = 3;
void setup() {
pinMode(speakerPin, OUTPUT);
}

void loop() {

  tone (speakerPin, 261, 1000);  //C
  delay (1000);
  tone (speakerPin, 294, 1000);  //D
  delay (1000);
  tone (speakerPin, 330, 1000);  //E 
  delay (1000);
  tone (speakerPin, 349, 1000);  //F
  delay (1000);
  tone (speakerPin, 392, 1000);  //G
  delay (1000);
  tone (speakerPin, 440, 1000);  //A
  delay (1000);
  tone (speakerPin, 494, 1000);  //G
  delay (1000);
  tone (speakerPin, 524, 1000);  //High C
  delay (1000);
  tone (speakerPin, 494, 1000);  //G
  delay (1000);
  tone (speakerPin, 440, 1000);  //F
  delay (1000);
  tone (speakerPin, 392, 1000);  //E
  delay (1000);
  tone (speakerPin, 349, 1000);  //D
  delay (1000);
  tone (speakerPin, 330, 1000);  //C
  delay (1000);
  tone (speakerPin, 294, 1000);  //B
  delay (1000);
  tone (speakerPin, 261, 1000);  //A
  delay (1000);
}