I know there is one backup in a Mac that doesn't turn on, and another back up on a couple of USB thumbdrives. (hacked.com)
The system also parses the ID3 tags for MP3 files on thumbdrives, showing the same interface as the iPod library, a nice touch. (cnet.com)
Whether I plugged an iPhone or thumbdrive into the USB port, the system parsed the music files, showing them on the touch screen organized into a proper music library. (cnet.com)