Here is a typical BIAB MST Piano and a BIAB Piano RT chart. I will let you be the judge as to what to make of this or as to what may be hidden under the hood.

Attached Files (Click to download or enlarge) (Only available when you are logged in)
RT Piano Midi Chart.JPG (102.58 KB, 103 downloads)
BIAB MST Piano.JPG (124.82 KB, 101 downloads)

BIAB – 2025, Reaper (current), i7-12700F Processor, 32GB DDR4-3200MHz RAM, Motu Audio Express 6x6 - My SoundCloud (Tip: No need to create a SC account to hear music - just hit ESC ).