“Did you hear my last recital?”/“I hope so.”

A popular joke about tuba players is:
 
Tuba Player: “Did you hear my last recital?”
Friend: “I hope so.”
 
The joke has been cited in print since at least 1994.
 
 
Google Groups: rec.music.classical
Musician jokes v2.0
boB
9/1/94
(...)
Tuba player: “Did you hear my last recital?”  Friend: “I hope so.”   
 
Google Groups: alt.music.makers.soloact
My friends set these along
Beej&John
10/2/00
(...)
Tuba Player: “Did you hear my last recital?”
Friend: “I hope so.”
 
Google Books
World’s Best Professional Jokes
By Clifford Sawhney
New Delhi: Pushtak Mahal
2004
Pg. ?:
Last Rites
Musician: “Did you hear my last recital?”
Friend: “I hope so.”
 
Google Books
The Best Musicians’ Jokes
By Bruno Kassel and Carlo May
Pacific, MO: Mel Bay Publications, Inc.
2005
Pg. 56:
Tuba player: Did you hear my last recital?
Friend: I hope so.
 
Google Books
The Musician’s Joke Book
By Jim Green
London: Omnibus Press
2010
Pg. ?:
Tuba Player: Did you hear my last recital?
Friend: I hope so.
   
Twitter
Canadian Musician
‏@cdnmusician
Joke of the Day
Tuba Player: “Did you hear my last recital?”
Friend: “I hope so.”
8:00 AM - 11 Jun 2014
 
YouTube
Ok, here is the joke. Tuba Player: Did you hear my last recita…
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Published on Jan 22, 2016
Tuba Player: Did you hear my last recital?
Friend: I hope so.