Howard Gray is an English musician, sound engineer, programmer, composer, re-mixer and producer who has worked with Public Image Ltd, Orchestral Manoeuvres in the Dark, Kirsty MacColl, the Armoury Show, the Pale Fountains, Japan, the Stranglers, Simple Minds, the Pretenders, XTC, UB40, Scritti Politti, Cherubs, Terence Trent D'Arby, Jean Michel Jarre, the Cure, Manic Street Preachers, U2, Puff Daddy & Jimmy Page, Tom Jones and Van Morrison.

Apollo 440 are a British electronic music group formed in Liverpool in 1990. The group has written, recorded, and produced five studio albums, collaborated with and produced other artists, remixed as Apollo 440 and as ambient cinematic alter-ego Stealth Sonic Orchestra, and created music for film, television, advertisements and multimedia. They notched up ten UK top 40 singles with three top-tens, and had a chart presence worldwide.