This is a bit off topic, but I think this makes a pretty compelling case for adding RealTrack horns. Of course, there are a couple issues:
  • You can't just ask a horn section to "solo" over chord changes and record it - you need to write the parts out. That's a lot more work for someone at PG Music!
  • Horns sound great on so many styles, there'll be demand for horn loops for everything.
  • Folk like me will want the option of having the "group" sound available on individual tracks (so we can control the stereo placement and such). There's nothing like that in the current BIAB architecture.
If PG Music starts offering polyphonic RealTracks like choirs, string sections, and the like, I think it would make sense to add "multitrack" RealTracks. That is, instead of having a single track for a RealTrack, have multiple tracks, for each instrument in the track. So when a 3 part horn section is exported, BIAB could export three separate wave files.

-- David Cuny
My virtual singer development blog

Vocal control, you say. Never heard of it. Is that some kind of ProTools thing?