Recorded Toubab Krewe and Railroad Earth last night at the Wilma Theatre, in Missoula, MT. I used a Sony PCM-m10, Rolls 4 channel stereo mixer, battery modules, to mix my microphone madness: sennheiser driven omni and card mics. the show sounds pretty good. I set the Pcm- M10 at 4.5 and the Rolls mixer at 4 for both sets of mics. Levels are good and the sound is good too, maybe a little muddy. No additional noise pollution from the mixer and no brickwalling. I'm not used to recording with omnis, so I am not sure how much better the overall sound would be compared to a single set of cards. I think some more recordings will be needed, but overall ok and recommended.