Yeah, the mouthpiece exercises were like the silver bullet for me. I was working on trying to get the overtones for most of my college career, but never really got above the middle Bb. Once you can play on your mouthpiece WITHOUT moving your lips or corners of your mouth AT ALL, it gets a lot e...
@TheGamernamer I couldn't tell you if they published this particular version, but while you're looking, you might look for Marty Paich's arrangement as it's very similar.
Did you write this down anywhere? I've been looking for a good Take 6 transcription to work on while on the road...