“What’s worse than spiders on your piano?”/“Crabs on your organ.”

The organ has been the subject of many sex jokes. One popular pun is:
 
Q: What’s worse than spiders on your piano?
A: Crabs on your organ.
 
“Q: Whats worse than lobsters on your piano? A: Crabs on your organ” was posted to the newsgroup rec.humor on October 24, 1990. The spider version came later. “Confucius say: It is better to have spiders on your keyboard than crabs on your organ” was posted to the newsgroup nf.general on February 28, 2006.
     
“What’s better than roses on your piano?”/“Tulips on your organ” is a similar riddle.
     
           
Google Groups: rec.humor
Funky stuff - part 72
Henry Cate IX
10/24/90
(...)
Q: Whats worse than lobsters on your piano?
A: Crabs on your organ.
   
Google Groups: alt.tasteless.jokes
Piano joke
michael andrew holthouse
8/20/93
(...)
Or… 
What’s worse than lobsters on your piano?
Crabs on your organ!
 
Google Groups: nf.general
Itsy Bitsty Spider—well, not so itsy bitsy.
Dan Parrell
2/28/06
Confucius say:
It is better to have spiders on your keyboard than crabs on your organ.😊
 
Twitter
Brent Morris
‏@closetgeekshow
“What’s worse than crawfish on your piano?? Crabs on your organ.” http://tinyurl.com/28ohcf
6:38 PM - 30 Aug 2007
 
Twitter
Tofur
‏@Tofur
It is better to have lobsters on your piano than crabs on your organ.  http://twitpic.com/1n1xi
4:53 PM - 22 Feb 2009
 
Twitter
Rebecca Joyce
‏@bubblybex
What’s worse than spiders on your piano? Crabs on your organ. *Cheeky grin*
2:52 PM - 9 Dec 2009
 
Google Books
Jokes for Blokes:
The Ultimate Book of Jokes not Suitable for Mixed Company
By Llewellyn Dowd and Phil McCracken
London: Ebury Press
2011
Pg. 511:
What’s worse than spiders on your piano? Crabs on your organ.
 
Google Books
More One Liners, Jokes and Gags
Compiled by Grant Tucker
London: Biteback Publishing
2013
Pg. ?:
What’s worse than spiders on your piano?
Crabs on your organ.
 
Google Books
Little Book of Dirty Jokes
By Sid Finch
London: Summersdale Publishers LTD
2015
Pg. ?:
What’s worse than lobsters on your piano?
Crabs on your organ.