I don't play keyboard or use the Conductor but I'm just pointing out that many of the functions you would like to have available are included in BIAB in the Conductor program when it's controlled by a midi Keyboard.

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Conductor Window.jpg (83.32 KB, 60 downloads)
More midi note functions.jpg (85.31 KB, 57 downloads)

BIAB 2025:RB 2025, Latest builds: Dell Optiplex 7040 Desktop; Windows-10-64 bit, Intel Core i7-6700 3.4GHz CPU and 16 GB Ram Memory.