Hey very cool !! I myself just picked up the Bari about 3 weeks ago.. never played brass before !! and I was handed a
"bach 6-1/2al"
when I walked into RCR practice...
So it has been great for me, I am not sure about trying different mouth pieces, I was a Tenor Sax player many years ago and I would know comfortable from a Kazoo. I do know that what I have has been a great mouthpiece! and as was said to me.. "get a good BUZZ going before you put it in your horn..." it will be much easier. I drive to work every day buzzin' away down the freeway, you get a few wierd looks but hey that is the price you pay :) he he
~eric