“How do you protect a valuable instrument?”/“Hide it in an accordion case.”

An accordion riddle is:
 
Q: How do you protect a valuable instrument?
A: Hide it in an accordion case.
 
The joke has been cited in print since at least 1999.
 
     
4 September 1999, Great Falls (MT) Tribune, “The Edge,” pg. A4, col. 5:
How do you protect a valuable instrument? Hide it in an accordion case.
     
Google Groups: alt.music.makers.soloact
Musician Jokes
Gord Miller
7/26/04
(...)
How do you protect a valuable instrument?
Hide it in an accordion case.
 
Twitter
Bollywood Sargam
@bollywoodsargam
Music jokes - 7633 Joke: Q: How do you protect a valuable instrument?
A: Hide it in an accordion case. .... http://tinyurl.com/ndlfax
2:07 PM - 12 Jun 2009
   
Google Books
A Man Walks Into a Bar 3
By Jonathan Swan
London, UK: Ebury Press
2010
Pg. 254:
How do you protect a valuable instrument? Hide it in an accordion case.
   
Google Books
Folk Soul:
A journey into European folk music and dances between the past, the present and the future
By Luca Turchet
Lulu Press (Lulu.com)
2013
Pg. ?:
How do you protect a valuable instrument? Hide it in an accordion case!
   
Google Books
Sensible Nonsense.. Frank’s Comic Pack:
Humour Pack Series
By Frank Paul
BookBaby
2014
Pg. ?:
Q: How do you protect a valuable instrument?A: Hide it in an accordion case.
 
Twitter
lorraine Jo King
@LahLahBean
#badjokethursday
How do you protect a valuable instrument?
Hide it in an accordion case.
3:35 AM - 23 Aug 2018