I think you and Silvertones are both right about that, but I also think that it's possible for RB to somehow override BiaB's default C chord. Tech Support just has to find a way to implement it.
Also, this discussion is essentially over until Tech Support does come through with a fix, so your post and your suggestion to "'get r done' however it works best" are fine. In the meantime, I'm hoping that the upcoming release of RB 2019 Version 4 will include a fix for this issue.
How to: Using Playable RealTracks in the Notation Window of Band-in-a-Box® 2022 for Windows
With the release of Band-in-a-Box 2022, we added Playable RealTracks! These allows you to add MIDI notes to the same RealTrack that is playing, either at the same time, or alternating back and forth. This means you can get the RealTracks to play the notes you want at key parts of the performance, either augmenting or replacing what the RealTracks is playing, for the section you want to change.
Update Your Band-in-a-Box® 2022 for Windows Today!
Using Band-in-a-Box 2022 for Windows? Great news! We've released a free update that enhances many of the MIDI features and Drum Stems tracks, updates the program manual and documentation, and resolves a few user reported issues.
This free update includes additional enhancements to the DAW Plugin, and updates it to version 4.5.33.
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