There is this, too... http://www.midisolutions.com/prodbth.htm

I still have a couple of the old DX7 breath controllers!

Bit of Googling ought to find you something. I have heard a few of the top score composers have used them, and they are amazing when used with some of the new modeled horns from SWAM etc...

T’bone player myself, too..!
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An arranger is just a tool. What matters is what you build with it..!