SD Explorer doesn't handle MIDI files (but the next version of the software will).

Techmanager 7000 does handle MIDIs if you have that.

I've attached a PDF file I made to help an Antipodean friend and member with MIDI imports. I'll write an article from this info eventually but this PDF should have all the steps you need Bernie.

When importing MIDIs it's best to do about 20 or max 40 at a time because the KN7000's display scrolls rather slowly if you try more than that. I ignored the first person who told me that and then wished I hadn't