I'd find BIAB far too slow for the kind of studio work I've been doing, plus I'm too content with "live" style play to deal with the restrictions I encounter when playing over a SMF.
Maybe someday, BIAB will allow for "live" input and play of the chords and styles..one can only hope.
Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.