Worldwide Music is owned and run by John Greves (MD), Adam Greves and Andrew Greves.

John had been involved in the music business all his adult life, beginning with his involvement with Hawkwind circa 1969 through his years with Ghost, Daddy Fantastic, PXR5, The Mighty Tong, Robert Calvert's 'Captain Lockheed and the Starfighters' and finally having spent 1999 - 2007 touring and recording with the original members of Hawkwind as 'Space Ritual'

Among many other luminaries, Worldwide Music have supplied equipment to: Abbey Road Studios, Aardman Animations Ltd, The Accidents, BBC Television, Marmalade Films (Paddington), Caravan, Crystal Gayle, Granada Television, Heart Radio, The Ramsgate Music Hall, The English National Ballet, Sarasara, The Aldwych Theatre, Andy Tong: The Darkstar, Accent Studios, Danny Wilson of Showaddywaddy & Wishbone Ash, The Deep Throat Choir, This Little Girl and the Dillicats, Razorlight, Foel Studios, The Groundhogs, Simon Climie (of Climie Fisher), Juicy Lucy, Paul Messenger: One Love, Tundra, Keith Pearson, Mark Hewins of the Bob Geldof Band, The Tornados, Bad manners, Caravan, The National Maritime Museum, Virgin Radio, Space Ritual (Hawkwind), Two Wounded Birds, Lotus F1 Team, Moon, Dylan Kirk and the Killers, Salvador Charlie, Blank Manuskript, Aurora, individual musicians, producers, technicians and recording studios all over the world.