A college of mine had a brilliant stupid idea at the coffe break back in 1984. He wanted to build an electric guitar of a wooden chair. Now I made it. One guitar and one bass.
And we also recorded them to show you, folks.
http://www.youtube.com/watch?v=MlcjMcLX1rk
EDIT The guy playing the bass chair is NOT the college that had the idea. That was 6 years before he was born. He is a friend from the swedish Talk bass forum (pratabas.se)