I go to a gym four to five days a week to workout, and my constant companion is my iPod Shuffle. I've been listening to the same workout music since October, and it is getting too predictable, so I was glad to find a source for some free workout music.
These three free workout mixes (higher bpm) are available for a limited time (In fact, I think one is only available today and tomorrow.) I don't like all the songs, but they will add some variety to my workouts.
Here are the links: