WHAT DOES BK7 MEAN?

I've that blowed tenor sax on my Roland E-eighty and it's my go-to suitable hand tone of alternative. CommentIf This really is your 1st go to Most, although not all, material on This website is usually seen with out getting a member.We do have some Atelier and BK7 entrepreneurs on right here and I'm sure they'll advise over the compatibility. I hav