Jon did you record the backing track on the BK 9 or use a commercial SMF...nice job!
I recorded/sequenced this on the Yamaha Motif XF6. I did all my own drums... no loops or presets were used. I then transferred it to PreSonus Studio One 2.6 and ran the track through Izotope Ozone 5. Mixed it down to a WAV file and moved it over to the BK9 thumb drive.
Once on the drive, I created a performance list and assigned a piano sound to come up when the Tossin' and Turnin' WAV is selected. So, it works flawlessly LIVE in the way I use it. Picking sounds quickly is not its forte unless you set up the favorite sounds or one touch settings. So far so good for me! My back thanks me... 20 pounds!!