[MisterGeee]

Did you ever get that set up your BK7M?

Set up the BK7M like this first of all.

Menu/MIDI/Edit System/Sync Rx Is On ..... Exit
Menu/MIDI/Edit System/Basic Rx Is On  and set Rx Channel to 13 .... Exit
Menu/MIDI/Edit System/Style Rx Is On  and set Rx Channel to 10 .... Exit
Menu/MIDI/Edit System/Parameters/ Rx System Is On .... Exit

(You might want to change the User Setting to No 2 so you know you always have User 1 as it was factory set.)

To call up a Performance on the BK7M (which you have set up and saved to a Performance List on the USB memory), first load the Performance list.
Then in Mobile Sheets, in the top bar, left hand side,  select fourth icon along, (like a chunky pen): Configure Fields Settings.
Select MIDI:
Select +
Label Type a label (maybe song name?)
Command Type: Patch Select
Channel: 13
Command: above MSB  enter 122;          above LSB enter 0;    above value enter the number of your Performance on the USB, minus 1. (Make sure the boxes below are checked.)
Send Song on Load: ON
Load Song on Receive: (I guess you already set that to ON).
Press OK.

That should work for calling up a preset, saved performance. You can configure it slightly differently to call up just Styles
Channel: 13

I didn't work this out, someone else told me and it works!