// include music_start after the includes in the main script
// call start_song at the end of the function main in the main script

// play_song_once to play once, or play_song to loop

MUSIC testsong = <dungeon.mid>;

// play a song if volume was set at beginning
function start_song()
{
wait(4); // wait until LOAD_INFO has loaded the last volume setting
play_song(testsong,25);
}