.625″ Bill Cat Trumpet Mouthpiece $115.00 – $140.00 The Legends Bill Cat. The .625″ ID rim is round and comfortable, and the cup is a very shallow bowl. Put that together with the somewhat tight #30 throat and the Legends Manhattan (very focused) backbore and you’ve got a mouthpiece that is really the cat’s meow! It’s a great piece for a commercial or lead player who likes an inside diameter that’s not too small, but doesn’t want to “pussyfoot” around the upper register. Read more