Maybe not quite what you were expecting, but I promised you a piece of music, so here it is! I certainly don't expect you to sit patiently through this whole thing, so please don't feel obligated to do so. If you ever film a remake of 2001: A Space Odyssey or something then maybe this track could prove useful, but otherwise, not sure if this will be of any value to you. shrug
It's three marimbas rolling on a variety of overlapping four note chords for eighteen minutes. At a couple places, the chord the three marimbas collectively produce has all twelve pitches in it. The very last chord starting at about 17:15, for instance. If you ever wanted to know what twelve immediately adjacent pitches played on three marimbas sounds like, well, here's your chance to find out.