The Concerto for Orchestra is a composition for orchestra by the American composer Roger Sessions. The work was commissioned by the Boston Symphony Orchestra and premiered October 23, 1981, with conductorSeiji Ozawa leading the Boston Symphony Orchestra. The concerto was Sessions's last orchestral composition and won him the 1982 Pulitzer Prize for Music.[1] Sessions had previously won a special lifetime achievement Pulitzer Prize in 1974 "for his life's work as a distinguished American composer."[2][3] The piece was honored with a performance at the closing of the 50th Tanglewood Music Festival in 2014.[4][5]