Keyboardist and co-founding member of The Doors, Ray Manzarek, died on May 20, 2013 of cancer in Rosenheim, Germany. Manzarek's signature organ playing on classic tunes such as "Light My Fire," "Break On Through (To the Other Side)," and "Riders on the Storm," defined a generation of music. He was 74. (Jan Persson/Redferns/Getty Images)