I have been playing for 12 years myself and have also noticed that I am using more air which is increasing my high range like nothing else, but sometimes at the expence of puffy cheeks. I know they don't actually puff out like Dizzy's but enough for my prof to notice and point out for me during a rehearsal when playing the picc

Now that I think about it, it isn't really a cheek puff that happens with me. It is more of a pocket of air under the cheek bones. But I don't do it that often anymore.
If it is a big problem I say, just don't do it. That is what I tell myself when I notice it. Just don't do it

then I stop.
Simple as that
Cheers
Eric
__________________
Eric Sproul
Practice is like filling a leaky bucket
Bb: Yamaha Xeno 8335
C: Bach Stadivarious 239L and 25A leadpipe (Owned by Eric Sholtz)
Flugel: Yamaha Bobby Shew 6310Z
Mouthpieces: GR tech
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