I'm afraid not, Mac. I've just spent the past 45 minutes checking anything I could find regarding sound. Both the Audigy and Windows mixers/volume controls are up... and aren't muted. I can't believe this. Everything was running so smooth until this happened. Oh... I reinstalled my Uno driver too. Everything sees everything. When I play a note on my keyboard it shows on the piano in the software. The SD2 blinks as well. But no dice. I made sure that I re-installed the MIDI maps for the SD2. One thing I wanted to ask you, changing the subject for a sec... is it normal for RB to tell you that it has converted the "patches.ini" into "patches.bin" when you first start it up?