Early Music Jokes
Lauda: the difference between shawms and krummhorns.
Neums: Medieval midgets.
Trope: A malevolent neum.
Quaver: beginning viol class.
Cantus Firmus: the part you get when you can only sing four notes.
Hocket: the thing that fits into a crotchet to produce a rackett.
Neumatic Melisma: a bronchial disorder caused by hockets.
More, along with a ton of banjo jokes, here.
(The picture is of a baroque rackett or rankett--you can buy one at the website linked to above, if you have $2000. It's a double-reed instrument, a relative of the bassoon and oboe.)