   alphabet[28] = exclamation;
 }
 
-// Main program loop
 void loop() {
   byte newHiScorePos;
 

    if (! arduboy.tunes.playing()) {
      arduboy.tunes.playScore(music);
    }
}   

void redAlert() {
  arduboy.clear();

    playerGunCharge = MAX_GUN_CHARGE; 
}

/*******************************************************************************
 * MUSIC / SOUNDS                                                              *
 *******************************************************************************/

void playMusic(byte song) {
    if (! soundOn) {
