Pipeline,
Well... Yes, saving file, opening file, syncing midi. That is a kind of workaround... Sure. I personally think VST is the way to go. That way, even if the chord chart can't be synced automatically to BIAB, it can follow chords typed in BIAB. You will just manually enter the number of bars in Jjazlab and define positions of parts (yamaha style parts, fills etc.) that you want it to hit on certain bars. With the VST, if done right, you would not have to route audio card / midi specifically for this setup, it would be more streamlined and it will be possible to hear Yamaha style with other RT's from BIAB together. I am actually surprised Jerome chose stand alone format. You can easily make the VST standalone, but not vise versa. I will think it over a bit and give Jerome a shout.
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Bob,
That was one of my first "wishes". I do not see why PG would change BIAB to accept arranger styles (Yamaha, Roland)... I think the only way to do this without jumping all kind of hoops is to have third party style module in a form of VST to be loaded to BIAB channel. Or, to have more dedicated midi channels in BIAB to import the MIDI file from arranger and so it clearly displays/plays on all 16 channels without interfering with RT channels.