I've been playing trumpet for almost 9 years now, and I've always used a 7C. It's a fine mouthpiece but I'd like to move up and try something new. I was looking at Monette's website and I'm interested in the B7F. I get a fine tone and range from 7C, so I'd say, from what I read, that this would be a good choice. I came on here to see if someone with more knowledge could weigh in.. I'm mostly playing jazz, along with some smaller brass ensemble work.