One Man Band

Georges Méliès and Buster Keaton both made short films in which one person played all the parts in a band simultaneously, through special effects. Méliès of course invented many special effects techniques in film, and when Keaton revisited the idea twenty years later, he pushed it much further and had a five minute sequence in which he played every person in the entire theatre.

Méliès - The One Man Orchestra (1900) download

Keaton - The Playhouse (1921) download