MIDI support has been (re) added in DragonFly, if I read this recent commit correctly. You may have supported hardware and not even realize it.
FACES OF FREEBSD
Back by popular demand we’re again sharing a story from someone involved in FreeBSD with our Faces of FreeBSD series. It may be a story from someone who’s received funding from us to work on development projects, run conferences, travel to conferences, or advocate for FreeBSD. Or, it may be from someone who gives back to FreeBSD