I guess I am surprised that nobody has asked for this… But, If I could import/export via a midi file - that would be really pretty darn handy. IMHO
I’ve received a couple requests for this via email over the years. A full MIDI export is unlikely to happen, though. Strum Machine doesn’t use MIDI at all; it uses its own custom audio rendering engine (to make it sound more real) which doesn’t translate well to MIDI. The one thing I could do at some point is add the ability to export a MIDI file that just has chord information (along with, potentially, other import/export formats) but it’s a low priority as it doesn’t apply to the way that Strum Machine is used by the vast majority of users.
I’d be curious to know more about why you want to have MIDI export, though. Perhaps there’s another way we could go about achieving your goals.