Importing Loops into Garageband for iPad

We can import AIFF, WAV, CAF, ACC, MP3 and Apple Loops into Garageband for iPad:

• open iTunes, go to your Devices, select your iPad and go to Apps
• Scroll down and click on Garageband in your Apps list and then hit the 'Add' button to select the files
• Launch Garageband on iPad and tap on the Loop icon, and select Audio Files tab, tab and drap the file to the track

Only Apple Loop will adjust the tempo and key.

Free Apple Loops

Create / convert the audio file to Apple Loops using the Apple Loops Utility (comes with Logic Pro, Soundtrack Pro or Final Cut Pro).

more info...