Hi - sorry, I'm not being very good about following up I'm afraid. Should check back more often after "drive-by" posting.

I was only talking about using MIDI based tracks *in addition* to the realdrums underneath the actual rendered audio track, not as a substitution. Jazzmammal is right -midi substitution would take out the subtlties in the performance, but sometimes just adding eq and compression to realdrums audio clips isn't enough to get the full sound you want. MIDI parts can add to that.

jpettit - It works provided you have "frozen" the drum track before you render to audio and save as MIDI. Otherwise, you're right -BIAB will re-generate the part as a different part each time. Also - as I said you have to make sure that your tempo and time signature match in your DAW otherwise when the soft synths in your DAW play the MIDI, it won't sync-up with the rendered audio tracks. That's pretty easy to check though -just play the audio tracks with your DAW's click track enabled.

The beat-slicing option is another method, but waaay more time consuming. E.g. I use Cakewalk Sonar X1 which has a feature called Audio Snap that detects audio transients which you can then save as MIDI. E.g. if you isolate the kick drum with eq, and set the transient detection to a level not too sensitive, it will create markers when it detects the kick or snare drums. You edit the markers by dragging them to the right place in the audio clip and when it's all OK you can copy the transient markers as midi "notes" and paste into a new (MIDI) track. Then you can play the new track using a drum synth and choose the sound you want. Then (if you haven't fallen asleep yet ;-) ) you can re-render back into audio and voila -isolated kick (or snare) drum track!

I tried doing it this way and it worked (-eventually, after a longer time and a few trial runs with missed hits) when I remembered -"hey didn't I read somewhere that you can save the realtracks as midi -and cant midi drum parts be saved on different tracks?" Oy. Way simpler.

Good luck -and I'll try to check back more often. Cheers, T.