I went from the G70 to the BK9… and at first, yes it WAS a bit of a shock to go from a huge responsive color touch screen and tons of buttons to the minimalist BK9. Editing was a LOT slower using that scroll wheel, but the iPad app made all the difference (although there’s still a lot that only navigating the keyboard itself will be allowed).

Great frustration at the start, then gradual realization that, with a Performance List of 999 entries (G70 series only 128 UPG’s) it was easiest to prepare a Performance for each section of a song, and reduce the faffing around with the screen and buttons, live. I can get my entire song list in one Performance List with multiple sections (I generally gig with about 400 songs ready to go).

Once I embraced the change in workflow, I found that playing live became a joy again, not having to do anything other than switch to the next Performance (easy to move them around in the List to organize them any way you wanted!). You can even do Performance up/down with a pair of switches into the FC7 input…

Congratulations on finding a good BK9… they are pretty rare..!
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An arranger is just a tool. What matters is what you build with it..!