tippett’s operas include "a midsummer marriage" (started 1946, first performed 1955), "king priam" (1958-61), "the knot garden" (1966-69) and "the ice break" (1973-76) and "new year" (1989). he wrote several choral works. his orchestral works include 4 symphonies, a "fantasia concertante on a theme of corelli" for strings (1953), a "piano concerto" (1953-55) and a "concerto for violin, viola and cello" (1979). his chamber music includes piano sonatas and string quartets.