not really, unless you _really_ need it back. the empeg built in software is designed to discourage downloading of mp3's from the system. about the only way I can think of would be to lookup in the database the track ID number, and send it zmodem over the serial port... or to install some kind of FTP server on the empeg. I don't know what it would take to do it over USB.

12gig green mk2 -- 080000125
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80gig red mk2 -- 080000125
(No, I don't actually hate Alan Cox)