Ann Marie Calhoun

Ann Marie Calhoun (née Simpson; born May 26, 1979) is an American classically trained violinist who has performed as a bluegrass and rock musician in a number of prominent acts, including Jethro Tull, Steve Vai, Widespread Panic, Dave Matthews Band, Ringo Starr, A.R. Rahman and Mick Jagger's SuperHeavy. She has closely collaborated with Hans Zimmer on numerous film scores, including Sherlock Holmes, Interstellar, 12 Years a Slave, The Lone Ranger, The Little Prince, Man of Steel, and Captain Phillips. She is the sister of violinist Mary Simpson.