His Majesty's Theatre Orchestra, Palace Theatre Orchestra, Commodore Grand Orchestra, Prince Of Wales Playhouse Orchestra, London Palladium Orchestra, Regal Cinema Orchestra, Geraldo London Hippodrome Orchestra, Granada Walthamstow Orchestra, The Troxy Broadcasting Orchestra, Brian Hooker, Rudolf Friml, Coventry New Hippodrome Orchestra, Gaumont State Orchestra, Paramount Theatre Orchestra, William Pethers