“What do you use to fix a broken tuba?”/“A tuba glue.”

“Tuba” sounds like “tube of.” A riddle was printed in many newspapers in 1994:
     
Q: What do you use to fix a broken tuba?
A: A tuba glue!

 
The riddle is often worded as this:
 
Q: How do you fix a broken tuba?
A: With a tuba glue.

   
A sousaphone variation has been cited in print since at least 2012:
   
Q: How do you fix a broken sousaphone?
A: With a tuba glue.

   
         
Newspapers.com
12 July 1994, The Record (Hackensack, NJ), “Mighty Funny’s Mini Jokes,” The Mini Page, pg. 2, col. 4:
Q: What do you use to fix a broken tuba?
A: A tuba glue!
(both sent in by Allison Kuchinski)
 
Google Books
The Musicians’ Joke Book
By Jim Green
London, UK: Wise Publications
2010
Pg. ?:
Q: How do you fix a broken tuba?
A: With a tuba glue.
   
Reddit—Jokes 
Posted by u/LegateLanius June 8, 2011
How do you fix a broken tuba?
With a tuba glue!
   
Reddit—Funny
Posted by u/AustinMiniMan July 11, 2011
What’s your favorite joke that’s so stupid it’s groan-worthy?
I have two; both of which my friends hate.
How do you fix a broken tuba? With a tuba’ glue!
     
Twitter
LexFuturus
@LexFuturus
How do you fix a broken sousaphone?
........tuba glue.
5:25 PM · May 15, 2012·Twitter for iPhone
 
Reddit—3amjokes
Posted by u/gewill May 15, 2013
How do you fix a broken tuba?
With a tuba glue!
     
Google Books
The Super, Epic, Mega Joke Book for Kids
By Whee Winn
Grand Rapids, MI: Zonderkidz
2016
Pg. ?: 
How do you fix a tuba?
With a tuba glue.
 
Reddit—Oneliners
Posted by u/wonliners November 23, 2017
I fixed my broken tuba with a tuba glue.
 
Reddit—Jokes
Posted by u/Rdubdanger June 26, 2019
How do you fix a broken Sousaphone??
With a Tuba glue
   
Reddit—Dadjokes
Posted by u/a_very_small_dude February 22, 2020
How can you fix a sousaphone
With a tuba glue
   
Reddit—Dadjokes
Posted by u/HeyItsMrBlue22 August 18, 2021
When a tuba breaks, how do you fix it?
With a tuba glue!
 
Twitter
Bob Golen
@BobGolen
You can fix your sousaphone with a tuba glue.
1:39 PM · Aug 22, 2021·Twitter Web App