You might try to take a look at your MIDI Set in the BK9, make sure that the Parts are set to Song, not Style, etc..

It’s also a strange system to use the 16 track sequencer to create a template, when entering the correct PC/32/00 codes in the Bandlab (copy the data) pretty much guarantees the setup data should get saved in the Bandlab save.

But yeah, I kind of get where you’re coming from if you want to use the Song MFX and EQ’s without wading through the sysex of setting those up externally.

What MIGHT work is to save a Song (SMF) to a Performance with the sounds, effects etc. set up (use Makeup Tools for detail editing), and use Bandlab to send ONLY note and controller data. What might be giving you issues at the moment is Bandlab sending some sort of setup initial code that changes the Part settings set by the Song.

Check any output filters on Bandlab, try to restrict the track output to just notes and basic controllers (sustain, volume, expression, things like that, not MSB LSB etc.) and hopefully you won’t trigger a change in the settings. You could also try creating a MIDI Set that filters the reception of things like clock, sysex etc. (though it doesn’t do a per CC# filter, so it tough to let the stuff in you need and keep other CC’s out).

Another thing to try is a program like MIDIOX (I think that’s what it is called) that provides a byte level look at a MIDI stream so you can check exactly what Bandlab is outputting.

Give all that a try and get back to me. Gigging pretty heavy (5 nights a week last few weeks) at the moment, so be patient for a reply!
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An arranger is just a tool. What matters is what you build with it..!