Plays the chest noise from Legend of Zelda to a speaker or piezoelectric. Should be used with arduino; also works with a 1MHz attiny if you use the second script.

x16 Speed (for ATtiny)

/* This code is derived from:
 * http://www.arduino.cc/en/Tutorial/Melody
 * This plays the chest noise from the Legend of Zelda on a piezo buzzer connected to pin 9 and ground. It has been tuned to a buzzer I had on hand, but you may want to adjust the values, testing against a tuner.
 */
  
int speakerPin = 9;
const int switchPin = 6;

char notes[] = "gabygabyxzCDxzCDabywabywzCDEzCDEbywFCDEqywFGDEqi        azbC"; // a space represents a rest
int length = sizeof(notes); // the number of notes
int beats[] = { 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 2,3,3,16,};
int tempo = 75/4;

void playTone(int tone, int duration) {
  for (long i = 0; i < duration * 1000L; i += tone * 2) {
    digitalWrite(speakerPin, HIGH);
    delayMicroseconds(tone);
    digitalWrite(speakerPin, LOW);
    delayMicroseconds(tone);
  }
}

void playNote(char note, int duration) {
  char names[] = { 'c', 'd', 'e', 'f', 'g', 'x', 'a', 'z', 'b', 'C', 'y', 'D', 'w', 'E', 'F', 'q', 'G', 'i' };
  // c=C4, C = C5. These values have been tuned.
  int tones[] = { 1898, 1690, 1500, 1420, 1265, 1194, 1126, 1063, 1001, 947, 893, 843, 795, 749, 710, 668, 630, 594 };
   
  // play the tone corresponding to the note name
  for (int i = 0; i < 18; i++) {
    if (names[i] == note) {
      playTone((tones[i])/17, duration);
    }
  }
}

void setup() {
pinMode(speakerPin, OUTPUT);
pinMode(switchPin, INPUT);
digitalWrite(switchPin, HIGH);
}

void loop() {
  pinMode(speakerPin, OUTPUT);
  if (digitalRead(switchPin) == 1) {
    for (int i = 0; i < length; i++) {
    if (notes[i] == ' ') {
      delay(beats[i] * tempo); // rest
    } else {
      playNote(notes[i], beats[i] * tempo);
    }
    
    // pause between notes
    delay(tempo / 2); 
  }
  }
  delay(100);
}

Zelda Chest Noise

/* This code is derived from:
 * http://www.arduino.cc/en/Tutorial/Melody
 * This plays the chest noise from the Legend of Zelda on a piezo buzzer connected to pin 9 and ground. It has been tuned to a buzzer I had on hand, but you may want to adjust the values, testing against a tuner.
 */
  
int speakerPin = 0;
const int switchPin = 1;

char notes[] = "gabygabyxzCDxzCDabywabywzCDEzCDEbywFCDEqywFGDEqi        azbC"; // a space represents a rest
int length = sizeof(notes); // the number of notes
int beats[] = { 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 2,3,3,16,};
int tempo = 75;

void playTone(int tone, int duration) {
  for (long i = 0; i < duration * 1000L; i += tone * 2) {
    digitalWrite(speakerPin, HIGH);
    delayMicroseconds(tone);
    digitalWrite(speakerPin, LOW);
    delayMicroseconds(tone);
  }
}

void playNote(char note, int duration) {
  char names[] = { 'c', 'd', 'e', 'f', 'g', 'x', 'a', 'z', 'b', 'C', 'y', 'D', 'w', 'E', 'F', 'q', 'G', 'i' };
  // c=C4, C = C5. These values have been tuned.
  int tones[] = { 1898, 1690, 1500, 1420, 1265, 1194, 1126, 1063, 1001, 947, 893, 843, 795, 749, 710, 668, 630, 594 };
   
  // play the tone corresponding to the note name
  for (int i = 0; i < 18; i++) {
    if (names[i] == note) {
      playTone(tones[i], duration);
    }
  }
}

void setup() {
pinMode(switchPin, INPUT);
digitalWrite(switchPin, HIGH);
}

void loop() {
  pinMode(speakerPin, OUTPUT);
  if (digitalRead(switchPin) == 1) {
    for (int i = 0; i < length; i++) {
    if (notes[i] == ' ') {
      delay(beats[i] * tempo); // rest
    } else {
      playNote(notes[i], beats[i] * tempo);
    }
    
    // pause between notes
    delay(tempo / 2); 
  }
  }
  delay(100);
}

Hey, thanks for this, I used it in a project and worked out great!

I think you have the two sketches names mixed up though

excellent, code, but I would like to know how to do it sound only once as it remains in an indefinite loop.
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This is awesome!
I used this in a school assignment where we have to enter a keycode to "unlock" a theoretical vault, and the little tune makes it a lot more fun.