. "Calhoun, Ann Marie"@en . . . "1994Z"^^ . "Ann Marie Calhoun"@en . . "1979-05-26Z"^^ . "1979Z"^^ . . . "non_vocal_instrumentalist" . . "Simpson, Ann Marie"@en . "Ann Marie Simpson"@en . . . . . "American musician" . . . . . . "Ann Marie Calhoun (n\u00E9e Simpson; born 1979), is a classically-trained American violinist who has performed as a bluegrass and rock musician in a number of prominent acts, including Jethro Tull, Steve Vai, Dave Matthews Band, Ringo Starr, and Mick Jagger's SuperHeavy. She is the sister of violinist Mary Simpson."@en .