EricArchive | J. S. Bach (arrangement by Kevin MacLeod) ~ Well-tempered Raver @ser/EricArchive | Uploaded 7 years ago | Updated 1 day ago
Music by Kevin MacLeod (original composer: J. S. Bach). Released into the public domain (CC Zero). Download link: http://freepd.com/Electronic/Well-tempered%20Raver

MacLeod's description:

Yeah, it is what you think it is... Book 1. Number 1. Doesn't get to the end, though.