Chang Jokes
A ``Chang'' is a Central Asian instrument (from countries such as Uzbekistan). It's something like a hammered dulcimer with a damper pedal.
How long does it take to tune a chang?
Nobody knows.
Why is it so difficult to tune a chang?
So that violist can feel superior about something.
Q: How many chang players does it take to change a light bulb?
All of them. One to twist the bulb for several hours, and the other one to decide that it's as good as it's going to get, and that they might as well flip the switch.