Hands are not sufficient – Joseph Haydn and Wolfgang Amadeus Mozart

Wolfgang Amadeus Mozart (1756-1791) once bet with his older colleague, compatriot Joseph Haydn (1732-1809), in a crate of best champagne. This bet was some kind of playing competition. They both were supposed to play some difficult composition that Mozart wrote on that day, and see who of them will be able to play it to the end.

Haydn agreed and the notes were placed on the spinet.

Just after a few strokes on the piano, Haydn saw that he wasn't up to it. He slowed down, and eventually stopped playing. This was because, while his two hands were playing at the both ends of the piano, he was supposed to press a key in the middle.

He tried to figure out how to do it, but he was out of ideas.

Then Mozart took his place and started playing.

When he got to that "improbable stroke", Mozart bowed his head and pressed the key - with his nose.