08 1 Bo
There’s an IDE MP3 controller board for DIY music player on eBay might be worth checking out –

Board Description:
* Stereo Design.
* Support 2.5″ and 3.5″ IDE hard disk up to 200G.
* Support ID3 Format
* 7 Level Equializer
* MP3 Chipset STA013, CS4340
* Black Light LCD display with 7 buttons.
* 3.5mm Earphone output with Vol Control
* DC +5V.

Package includes:
* 1x MP3 IDE Controller Board
* 1x LCD Display Board .
* 1x Configuration CD.

Thanks Imvain2![via] Link.