The main Tuba player from that episode was Bill Mickelsen, the principal Tubist from the Florida Orchestra. He was kind enough to send me some photos and sheet music from the episode. I will post a follow up interview with Bill later when I get some technical kinks ironed out.
Here are some photos:
above: Bill Mickelsen and his Kanstul Tuba
above: shooting the segment
above: Bill shows the gator whose really got chops!
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