Craig ONeal · CC BY-SA 2.0

A drummer who joined Bruce Springsteen's E Street Band in 1974 after winning an open audition, becoming a fixture of Springsteen's marathon live shows for five decades. He built a parallel career as bandleader for Conan O'Brien, first on Late Night and later The Tonight Show, managing both roles simultaneously once Springsteen reunited the E Street Band in 1999; he was inducted into the Rock and Roll Hall of Fame in 2014.