What's the song most requested of accordionists? Can you play Far, Far Away?
What's the difference between an accordion and a trampoline? You take your shoes off before you jump up and down on a trampoline.
What is the definition of a gentleman? Somebody who knows how to play the accordion but doesn't.
What is the difference between an accordion player and a terrorist? Terrorists have sympathisers.
[Many more at Accordions Worldwide ("The largest accordion resource on the Web") <http://www.accordions.com/index/fun/jok/fun_jok.shtml>)
Carl