It's early in the morning for me ... and I won't have time to fire up BIAB before I go to work.

But, I woke this morning and sat bolt upright with an 'incredibly stupid' self-affirmation flashing through my mind: "how about my drum tracks are on the Melody channel? You idiot!"

Yes, isn't it true all imported midi tracks are on the Melody channel ... sort of like a Type 0 midi file, so they won't show up in BIAB piano roll/ notation unless or until they go through a style conversion? Or not?

However, this doesn't answer why the drum track was not audible, which does not relieve me of all problems.

I'll follow the good advice tonight.

Prado