void SoundOff()
{
  Sound(0);
  Exit;
}


void MusicDemoTsk()
{
  Fs->end_task_cb=&SoundOff;
  while (TRUE) {
    Play("1wCqDsEFG2AB");
    Play("wCqDsEFG3AB");
    Play("wCqDsEFG4AB");
    Play("wCqDsEFG5AB");
    Play("wCqDsEFG6AB");
  }
}

Spawn(&MusicDemoTsk,"MUSIC");