Contact Jim D. on this Forum. He hasn't had too many posts lately. I know he did a lot with the Roland FR 7 model.
Try a direct message to him, or try this contact information for him:
James Dascanio
413-592-5672
413-539-4950
E-mail -
jimmyd413@gmail.com
John
P.S. He is affiliated with a Roland dealer in Massachusetts that is very close to his home. I just can't remember the name of the dealer
Edit: I have the information on the Roland Dealer in Mass -- Thanks to a recent post from JerryPH
Here it is:
Falcetti Music
1755 Boston Rd, Springfield, MA 01129, United States
Phone:
+1 413-543-1002