“A single plum, floating in perfume, served in a man’s hat”: That’s the cocktail a cartoon character based on Yoko Ono orders at Moe’s Tavern in the 1993 episode of The Simpsons, “Homer’s Barbershop ...
Long dismissed as a footnote in John Lennon's career, Ono is now widely recognized as a pioneer of conceptual and performance art whose influence on the avant-garde stretches back to the early 1960s.