to add to this note above, drum tracks really need to be able to switch midi channels per track, and midi notes sent per track from the BSP itself, without the need for software.
Melodic sequencers effectively have this behaviour of changing instruments via CHAN button. It would make easier of having different drum instruments per project without having to resort to win/mac which all of us don't have handy.
And a lot of other feature requests that I think make a lot of sense for BSP, including all sorts of group edit, copy/paste, default pitch/velo/gate values for newly enabled notes, queued pattern change mode / finish pattern before change, pattern nudge left/right all activated via maybe shift button and step buttons, currently only 1st step button has function of "clear ptn" with shift button.
maybe assign more features accessible from hardware, ppl can always use label makers to have other labels under other step buttons too, so don't have to memorize what is what