Guitar – What was the slogan of Opporknockity Guitar Co., which sold permanently tuned guitars? ‘Opporknockity only tunes once’.
Dobro – Why do Dobro players keep their fingerpicks hid in the glove compartment? In case of an accident, they don’t want to be mistaken for a banjo player.
Mandolin – A friend of mine named their child – Amanda Lynn. She cannot play the Mandolin.
Banjo 1 – See Banjo 2
Banjo 2 – The definition of Perfect Pitch: When you throw a banjo into a dumpster, and it lands on an accordion.
Fiddle – Q: What do you call an instrument that is not in tune? A: A fiddle.
Harmonica – Best harmonica joke punchline “Well, that’s it! Here’s $10.00. Go get something to eat!”