brain often asked composers to write new works for him to perform. many composers wrote for him without even being asked. among them were benjamin britten "serenade for tenor, horn and strings", "canticle iii", malcolm arnold "horn concerto no. 2", paul hindemith "concerto for horn and orchestra", york bowen "concerto for horn, strings and timpani", peter racine fricker "horn sonata" (dennis was at school with peter), gordon jacob "concerto for horn and string orchestra", mátyás seiber "notturno" for horn and strings", humphrey searle "aubade" for horn and strings, ernest tomlinson "rhapsody and rondo" for horn and orchestra, "romance and rondo" for horn and orchestra, lennox berkeley "trio for horn, violin and piano" and elisabeth lutyens.