Conjurer: Concerto for Percussionist and String Orchestra (with optional Brass) is a concerto for a solo percussionist and string orchestra by the American composer John Corigliano. The work was jointly commissioned for the percussionist Evelyn Glennie by the Pittsburgh Symphony Orchestra, the Nashville Symphony, the Royal Scottish National Orchestra, the Dallas Symphony Orchestra, the Calouste Gulbenkian Foundation, the Music Department (Lisbon), and the National Arts Centre Orchestra. It was given its world premiere by Glennie and the Pittsburgh Symphony Orchestra under the direction of Marin Alsop in Pittsburgh on February 21, 2008.