You can save a SEQ file as an SGU or MGU file, which BIAB can then open. However, the audio tracks in RealBand will not transfer back to BIAB tracks (except perhaps the BIAB audio track; not at my machine right now to test that). But RealBand will create a file with the information about the style used, the tempo, the chord progression, the soloist/melodist track MIDI notes, and a few other things (such as lyrics). But it won't overlay work you have done on a track in RealBand back into the BIAB file.

Then, you can open that SGU or MGU in BIAB; it will then generate a new arrangement based on the style selected, with the chord progression that it imported.

John

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