“Why isn’t there any music in skeleton church?”/“No organs.”

A skeleton riddle is:
   
Q: Why isn’t there any music in skeleton church?
A: No organs.
 
The riddle was posted on Twitter by Halloweeniverse on October 31, 2011.
 
       
Twitter
Halloweeniverse
@Halloweeniverse
Why isn’t there any music in skeleton church? No organs.
8:24 PM · Oct 31, 2011·Twitter Web Client
     
Twitter
Halloweeniverse
@Halloweeniverse
Why isn’t there any music in skeleton church? No organs. #Halloween #Joke
10:46 AM · Oct 27, 2013·Hootsuite
   
Twitter
Chris Heaton-Harris MP
@chhcalling
Why isn’t there any music in skeleton church?
No organs.
3:32 PM · Oct 31, 2013·Hootsuite
   
Twitter
debbie pettit
@pettit1670
Replying to @THMarchUK
Why is there no music in skeleton church?.... they have no organs!
3:26 PM · Oct 27, 2019·Twitter Web App
 
Twitter
Lorraine Jo King
@lahlahbean
#badjokethursday Jack-o-lantern
Why don’t they play music in a skeleton church? No organs!
5:12 AM · Oct 29, 2020·Twitter for iPhone
 
Music/Dance/Theatre/Film/Circus