I've completed the first track from my mathis project; the track is entitled neighbour forgotten like a silent ray. I may still do some more remixing (it sounds a bit muddy in places), but I'm generally pleased with the result.
For this track, the sound sources were squashed versions of every track on my Johnny Mathis album. Basically, I compressed each of the 18 tracks down to half a second (without changing its pitch), and reversed it. I then used these samples, along with a variety of effects, to put together the piece.
I'm releasing these pieces under an Attribution-Share Alike CreativeCommons licence (same as the rest of the content on this site).