I have to say that this soiunds to me a lot like the problem I had back in build 822, where we went through lots of ideas to no obvious benefit. It's hard for me to know whether the following may help, or just add more confusion ... treat very cautiously.

It resolved somewhere around these events:
Quote:
Oh ... I see something I didn't understand.

I just did Melody->Edit Melody Track->Step Edit Melody
and it opened the drum track.

Maybe I've been editing the wrong event list!
The notes I inspected were right, though.

(one should note that I personally would not have expected the melody notes to be in the drum track.)

and

Quote:
Well, that's decidedly odd!

The MIDI channel for all events on the melody track has changed to channel 4 and, if I now remove the Sforzando plug-in, I can get it to play the trombone.

I'm pretty sure it hadn't changed them to channel four after I altered the rest (of the) events from ch1 to ch6 to match the remainder, but it's changed now.

The difficulty is understanding exactly what I did to get that outcome.


As I say, I don't know whether it was that observation that changed things, but the song started behaving after that. In the gap between, I had tried several things aroud which midi player BIAB was supposeed to be using using, but I had tried those before to no benefit.

What I can say with a fairt degree of confidence is that there seemed to be some mingling of tracks/channel at the MIDI level and that it appears to me that MIDI events may have been coming from and going too places they probably should not.

Extract from here:
https://www.pgmusic.com/forums/ubbthreads.php?ubb=showflat&Main=89028&Number=644769#Post644769

Jazz relative beginner, starting at a much older age than was helpful.
AVL:MXE Linux; Windows 11
BIAB2025 Audiophile, a bunch of other software.
Kawai MP6, Ui24R, Focusrite Saffire Pro40 and Scarletts
.