Mark Stewart has been playing the guitar, saxophone, cello and percussion in Paul Simon’s backup band since 1998. Like most of us, Mark has seen a fork nearly every day of his life, but never realized its musical potential until he found one in the garbage. Check out his Chaludeu (“the hermaphrodite of musical instruments”), a thumb piano made from found objects, and other musical inventions.

“These instruments don’t inherit a system of order. People who play these tend to get right to the finger-painting of sound.”