He was an instructor in the Royal Army Educational Corps with the British Army of the Rhine from 1952 to 1954, master at Westminster Abbey Choir School from 1954 to 1956, assistant organist at St Paul's Cathedral from 1956 to 1958, then an organist at Croydon Parish Church from 1958 to 1965.
Derek Walcott | Derek Jarman | William Holman Hunt | Derek Jacobi | Derek Bailey (guitarist) | Derek Bailey | Bo Derek | Derek Trucks | Derek Jeter | Derek Holland | Life with Derek | Derek Lee Ragin | Derek Bickerton | Derek Abbott | Derek O'Brien | Derek Wyatt | Derek St. Holmes | Derek O'Brien (drummer) | Derek Mahon | Derek Lawrence | Derek Johnstone | Derek Humble | Derek Fowlds | Derek Forbes | Holman Moody | DJ Derek | Derek Yu | Derek Worlock | Derek Taylor | Derek Smith |
Music at Sharon commissioned new works by John Beckwith (Three Motets on Swan's 'China'), Phil Nimmons, Linda C. Smith, Carol Ann Weaver, Glen Buhr, Derek Holman, and many others.