BT used this kind of time stretching on one of the tracks on This Binary Universe. I don't recall which one, but he took the entire drum stem for the song and

BT used this kind of time stretching on one of the tracks on This Binary Universe. I don't recall which one, but he took the entire drum stem for the song and compressed it (rather than stretching it) to run in some special ratio to the length of the song. Sounds fantastic.