This contains the best part of the STARS ON 45 - HOOKED ON - MEGAMIX phenomena I think. It's the 15 minute medley of 30 Beatle tunes in which none of the Beatles actually sing a single note of it. Link in comments.
This is a plug for WFMU, an NYC radio station that also streams and also offers podcasts. I entered this contest and won an appearance on the 80-track CD. Here are the best 18 tracks from the CD for you to enjoy. It's fun to hear Hotel California again without the time commitment, and the same goes for Stairway To Heaven and Bolero. There is something interesting going on in every track. Link in comments.