BIAB is NOT a real time arranger. For that I have the PSR 3000. BIAB is more sophisticated then real time. When an arranger plays a IImin7 for instance it pays a IImin7 the same way whether its going to the V7 to the I. BIAB can analyze the chord progression and play the right type of runs, ect for the tune. The drawback is its not in real time but that is what it is.
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PSR 740,PSR 3000, Mirage, tx7, mp32, Pro Tools 10,11 SONAR, Reaper, BIAB 2020 and a pile of Computer Music mags w/disks
College student was working on Doctoral, Education Now just doing courses to do courses