 He wrote many film scores, including several for Hammer Films, amongst them the war movie "The Steel Bayonet" (1957) and the horror film "The Revenge of Frankenstein" (1958).But chamber music was also central to his output, including 10 string quartets spanning his whole career - from No 1 in 1942 to No 10 (op 140) dating from 1997.Percussion forms another strand of his work, including a Percussion Concerto (1968) and several works for percussion ensemble.