The organ has been the subject of many sex jokes. One popular pun is:
 
Q; What’s better than roses on your piano?
A: Tulips on your organ.
   
The oral sex joke has been cited in print since at least 1981.
 
“What’s worse than spiders on your piano?”/“Crabs on your organ” is a similar riddle.
   
   
Google Books
Players and Pretenders:
The Basketball Team That Couldn’t Shoot Straight
By Charles Rosen
New York, NY: Holt, Rinehart, and Winston
1981
Pg. 21:
“But listen to this: What’s better than a rose on your piano?”
 
“I give up.”
 
“Tulips on your organ!”
 
Google Books
The Thoroughly Tasteful Dirty Joke Book
By Shelli Sonstein
New York, NY: Stein and Day
1984
Pg. 28:
“What’s better than roses on your piano?”
“Tulips on your organ.”
 
Google Groups: net.jokes
a few jokes - (nf)
.(JavaScript must be enabled to view this email address)
1/5/84
#R:ihuxe:-45600:hpcnoa:20800010:000:194
hpcnoa!rdg   Jan 2 09:49:00 1984
Anyone can get jokes out of a book.
 
In this case, “Truly Tasteless Jokes, Vol. 2”
 
Now for a joke::::::::::
 
What’s better than roses on your piano?
Tulips on your organ!
     
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.
——————————————————————————————
Q: What’s better than a rose on your piano?
A: Tulips on your organ.
 
Google Groups: rec.humor
What’s better than roses on a piano?
Handel Low
10/3/92
In article <1992Oct1.2…@gumby.dsd.trw.com> .(JavaScript must be enabled to view this email address) (Maurice E. Suhre) writes:
>In article <1afip7…@early-bird.think.com> paco ojeda writes:
>>What’s better than roses on a piano?
>
>Reminds me:
>
>What’s worse than having a beetle on your piano?
>
>Having a crab on your organ. 
 
The one I heard was “Tulips on your organ”
   
Google Groups: alt.tasteless.jokes
Piano joke
Jesse Montrose
8/26/93
michael andrew holthouse (.(JavaScript must be enabled to view this email address)) wrote:
 
: In article <1993Aug20….@monu6.cc.monash.edu.au>

.(JavaScript must be enabled to view this email address) (Rude Red Rob (Blaney)) writes:
: >Q:  What’s worse than a dead cat on your piano?
: >A:  An infected pussy on your organ!
:      Or…
:      What’s worse than lobsters on your piano?
:      Crabs on your organ!
 
Or…
What’s BETTER than roses on your piano?
Tulips on your organ!
 
Twitter
Mandy
‏@BuildingChick
@stevewhitaker : Your joke for the day: What’s better than roses on a piano? Tulips on your organ… HA HA Lame but effective-feel better!
7:01 AM - 21 Jan 2008
 
Google Groups: alt.sex
Roses on your piano are fine, but nothing beats tulips on your organ.
121Heaven
4/14/08
I love oral sex guys.
 
Twitter
Hillary
‏@MissMaestro624
“What’s better then Roses on your Piano? Tulips on your Organ!
~Rasaan   tehe
4:06 PM - 12 Jul 2008
 
Google Books
Classic Book of Rude Jokes:
Crass Humor for the Discriminating Jokester
By Scott McNeely
San Francisco, CA: Chronicle Books LLC
2013
Pg. 117:
Q: What’s better than a rose on your piano?
A: Tulips on your organ.