Leonardo da Vinci designed a mechanical drum to create continuous percussion music without a human drummer.
The concept used a rotating cylinder fitted with projecting pegs. As the cylinder turned, the pegs struck stretched drum surfaces, producing a repeated rhythm. It belongs to Leonardo’s broader interest in automata, machines that imitate human or animal actions.
Leonardo drew many musical and theatrical mechanisms, including instruments intended for court entertainment. His designs were usually presented as working concepts, but surviving drawings do not prove that every machine was built exactly as shown.
The drum should not be confused with a modern music box or player piano. Those devices use related ideas—programmed mechanical motion and sound production—but Leonardo’s proposal specifically focused on percussion. It also differs from Leonardo’s famous mechanical lion and robot knight, which were automata designed to move rather than primarily to make music.