Wow that's awsome you were able to hook up a hard drive to your PSR-3000. I doubt Yamaha anticipated anyone doing that. I don't have a 3000 (will have a 2000 next week), but I'm sure many here will be interested in how you accomplished this.

Squeak
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GEAR: Yamaha MOXF-6, Casio MZX-500, Roland Juno-Di, M-Audio Venom, Roland RS-70, Yamaha PSR S700, M-Audio Axiom Pro-61 (Midi Controller). SOFTWARE: Mixcraft-7, PowerTracks Pro Audio 2013, Beat Thang Virtual, Dimension Le.