Originellement posté par Andrew - PG Music
Open the MIDI Monitor (Window menu) and filter to show only MIDI input. After playing for a while, save as a text file and paste some of it here - this might have some clues.

Hello Andrew,

I failed to make exactly the requested recording:

- I made and saved a first piano recording with the MIDI Monitor enabled but I forgot to select only MIDI Input. I'm attaching an excerpt below anyway

- Then I couldn't reopen the MIDI Monitor window: I got an error message 121 (screenshot below), and I had to close and reopen BiaB to be able to make another recording with the MIDI monitor enabled/

- Finally when I selected only MIDI Input ont he MIDI Monitor and made a new recording (only 28 notes were recorded before Biab stuttered and stopped), the monitoring window remained empty! However, the notes sent in MIDI from my keyboard were recorded as seen on the score (screenshots below)!

For me, the mystery remains!

Stéphane

Extract from the MIDI Monitoring:
323 10429 1 99 26 00 Note On ($9x) 10 Pitch = D 3 Velocity = 0
324 10429 1 99 33 00 Note On ($9x) 10 Pitch = Eb 4 Velocity = 0
325 10429 1 99 24 00 Note On ($9x) 10 Pitch = C 3 Velocity = 0
326 10459 1 99 24 5A Note On ($9x) 10 Pitch = C 3 Velocity = 90
327 10471 1 99 26 20 Note On ($9x) 10 Pitch = D 3 Velocity = 32
328 10471 1 99 33 15 Note On ($9x) 10 Pitch = Eb 4 Velocity = 21
329 10534 1 B0 40 00 Control Change ($Bx) 1 CC Type = #64 Sustain Pedal CC Value = 0
330 10534 1 B0 7B 00 Control Change ($Bx) 1 CC Type = #123 All Notes Off CC Value = 0
331 10559 1 B1 7B 00 Control Change ($Bx) 2 CC Type = #123 All Notes Off CC Value = 0
332 10559 1 B9 7B 00 Control Change ($Bx) 10 CC Type = #123 All Notes Off CC Value = 0
333 10559 1 B9 40 00 Control Change ($Bx) 10 CC Type = #64 Sustain Pedal CC Value = 0
334 10559 1 B2 7B 00 Control Change ($Bx) 3 CC Type = #123 All Notes Off CC Value = 0
335 10559 1 B5 7B 00 Control Change ($Bx) 6 CC Type = #123 All Notes Off CC Value = 0
336 10559 1 B6 7B 00 Control Change ($Bx) 7 CC Type = #123 All Notes Off CC Value = 0
337 10559 1 B7 7B 00 Control Change ($Bx) 8 CC Type = #123 All Notes Off CC Value = 0
338 10559 1 B0 7B 00 Control Change ($Bx) 1 CC Type = #123 All Notes Off CC Value = 0
339 10559 1 B0 40 00 Control Change ($Bx) 1 CC Type = #64 Sustain Pedal CC Value = 0
340 10559 1 C3 42 Program Change ($Cx) 4 Program # = 66
341 10559 1 C3 00 Program Change ($Cx) 4 Program # = 0
342 10573 1 B0 40 00 Control Change ($Bx) 1 CC Type = #64 Sustain Pedal CC Value = 0
343 10573 1 B0 7B 00 Control Change ($Bx) 1 CC Type = #123 All Notes Off CC Value = 0
344 10633 1 91 1D 00 Note On ($9x) 2 Pitch = F 2 Velocity = 0
345 10633 1 99 24 00 Note On ($9x) 10 Pitch = C 3 Velocity = 0
346 10633 1 99 26 00 Note On ($9x) 10 Pitch = D 3 Velocity = 0
347 10633 1 99 33 00 Note On ($9x) 10 Pitch = Eb 4 Velocity = 0
348 10633 1 B3 7B 00 Control Change ($Bx) 4 CC Type = #123 All Notes Off CC Value = 0
349 10633 1 B3 40 00 Control Change ($Bx) 4 CC Type = #64 Sustain Pedal CC Value = 0
350 10633 1 BA 7B 00 Control Change ($Bx) 11 CC Type = #123 All Notes Off CC Value = 0
351 10633 1 BA 40 00 Control Change ($Bx) 11 CC Type = #64 Sustain Pedal CC Value = 0
352 10633 1 BB 7B 00 Control Change ($Bx) 12 CC Type = #123 All Notes Off CC Value = 0
353 10633 1 BB 40 00 Control Change ($Bx) 12 CC Type = #64 Sustain Pedal CC Value = 0
354 10633 1 B7 7B 00 Control Change ($Bx) 8 CC Type = #123 All Notes Off CC Value = 0
355 10633 1 B7 40 00 Control Change ($Bx) 8 CC Type = #64 Sustain Pedal CC Value = 0
356 10633 1 B0 7B 00 Control Change ($Bx) 1 CC Type = #123 All Notes Off CC Value = 0
357 10633 1 B0 40 00 Control Change ($Bx) 1 CC Type = #64 Sustain Pedal CC Value = 0
358 10633 1 BC 7B 00 Control Change ($Bx) 13 CC Type = #123 All Notes Off CC Value = 0
359 10633 1 BC 40 00 Control Change ($Bx) 13 CC Type = #64 Sustain Pedal CC Value = 0
360 10633 1 BD 7B 00 Control Change ($Bx) 14 CC Type = #123 All Notes Off CC Value = 0
361 10633 1 BD 40 00 Control Change ($Bx) 14 CC Type = #64 Sustain Pedal CC Value = 0
362 10633 1 B0 7B 00 Control Change ($Bx) 1 CC Type = #123 All Notes Off CC Value = 0

Screenshots
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Lazy Bird