Ann Marie Simpson

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, Dave Matthews Band, Ringo Starr, A.R.Rahman and Mick Jaggers SuperHeavy. She is the sister of violinist Mary Simpson.

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