Hi bharris, I do not use JJ&B in BiaB, I use it in Sonar, so I may be wrong here but be sure BiaB is not sending a patch change command. If it’s sending a patch change that doesn’t match with JJ&B it may not sound. You can check this either with the midi event editor or by going to Options/preferences/midi options/channels.

Also many standard midi files are not really standard. That is the originator adds patch changes, continuous control messages, pitch bends, etc that are indigenous to his system. They may or may not work on your system. Many times I have to play with standard midi files to make them sound right on my system. This will be especially true if you’re trying to play them using a non-GM DXi/VSC like JJ&B.

I hope this helps.

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64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware