I did at least figure out how to get the software registered (what Fred doesn't mention is that you have to put an SD card in the card reader). I'm thinking that rather than clogging up the forum with a ton of posts, if someone is familiar with using SD Explorer, they could send me an email and I can list my questions in email format...my email is keyboard.king@yahoo.com The questions are basic stuff, nothing complicated (I hope). And yes Roger, these are all Technics files, no MP3's etc. The tunes we do are fairly easy, so the pre-programmed LH rhythms have worked out fine.