What musical instrument do you find in the bathroom?

setup: What musical instrument do you find in the bathroom?

[BILL] qua musician, tuxedoed, carrying an interdental brush french horn Pardon me.

(([BILL] steps over row of tongue scraper trombones))

(([BILL] sits on the second toilet seat to the right of the first interdental brush french horn))

[Manyfeek] at the head of the bathroom. turns. spotlight hits.

((Huge audience applauding!))

[Manyfeek] bows, smiles and then turns.

((Audience settles. [Manyfeek] looks out. proud. ))

[Manyfeek] taps a Sonicare replacement head twice. mouthing and waving replacement head and open hand One-and-two…

[BILL] playing interdental brush french horn DAH… DAH… DAAAAA-da… DA

[Xylitol Picoloco] joins in dee da deet dee da deet!

[Tuba Toothpaste] countering BUMP. BUMP. BUMP.

[PTFE Floss Violin section] sweeping yada ya yada yad yada yada ya

[Dave, an astronaut, from 2001] red space suit, floating Hal? Are you here?

punchline: A tuba toothpaste.