ReCycle

From Propellerhead Software:

ReCycle - Loops, grooves and breakbeats: Powerful sonic building blocks, and great inspirational triggers. No matter what style of music you into, you can be sure there is a loop out there that can spice your track up a little, or even lift it to completely new heights. But handling loops and grooves equals hard work. Hours of pitching and stretching just to get a loop to fit your song tempo and timing. And if you need to change the key, you are in for even more work. In the end, your loops are controlling you, instead of vice versa. But help is on its way. From Propellerhead Software comes a suite of programs that gives you full creative control over your looped material.