Hi Bernie,
the midi files you’re using are they recorded for gm sounds or xg ?
If they’re recorded for gm, the xg drum kits would give you problems .
I’m currently having problems trying to use biab with the sx900, when I try and use the sx900 factory sounds , my drum kits default to piano, violin, even though I have biab set to xg.
I have now set biab to GS instead, it sends out a message that defaults the sx900 to gs sounds. Gives me a few extra to play with..
Unless your midi files are all recorded for an xg soundsource, I’d stick with your laptop, midied to whatever soundsource suits.
I don’t find it all that easy to read a music score off a small keyboard screen either.
Eventually I’ll put mine in my iPad, meanwhile , I’m just printing up, or using my music old books, home use only of course. Haha
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best wishes
Rikki 🧸
Korg PA5X 88 note
SX900
Band in a Box 2022