to Bob Calver
re opening BIAB in RB.
I find it easier to right click the MGU file and instruct it to open in RealBand.
That way the Chords, Part Markers, Tempo changes etc are all kept in place.
There are various options within BIAB to control the tracks that open, (I think MIDi tracks open by default) Options for RealTracks are for stereo/mono, with/without Fx, Normalize etc. I Drag&Drop RTs separately because I sometimes regenerate individual tracks with Holds, Slight chord variations etc.
Hope this is of help.

Vintage