Salvador Dali once conned Yoko Ono into paying $10,000 for a single blade of grass. Yoko had offered to pay that amount for one of his mustache hairs. He substituted the blade of grass because he thought that Yoko Ono was a witch and might use his hair in a spell.
Salvador Dali once conned Yoko Ono out of $10,000 by sending her a piece of dried grass instead of a hair from his moustache.
Yoko Ono once brought a dead rat in a shoebox to a recording studio, and insisted that the sound engineer record it. The engineer recorded two takes of the “dead rat solo.”