"John Lennon: The New York City Years" Comes to the Rock and Roll Hall of Fame Annex

Photographer Bob Gruen took this photo of Lennon on the roof of an East Side apartment building in 1974. "Bob had given him that shirt," says Ono. "It just kind of stayed with him over the years. He loved it."

• Yoko Ono Helps Rock Hall Explore John Lennon's New York Years