John Trevor Key was a British photographer and designer, best known for his work for musical artists of the 1970s and 1980s. One of his best-known covers was for Mike Oldfield's 1973 debut album Tubular Bells. Other artists that he produced cover artwork for include Joy Division, Sex Pistols, Phil Collins, Roxy Music, Wham!, Can, China Crisis, System 7, Orchestral Manoeuvres in the Dark, and New Order.