Originally trained at Abbey Road Studios, Cousins became a freelance engineer and producer in 1994, and started composing music for TV and film from 2004, forming Gareth Cousins Music Productions for this purpose. In 1995, he recorded and mixed Vanessa-Mae's groundbreaking album The Violin Player, which went on to sell over 8 million albums worldwide In 2000 he produced the first tracks for the crossover classical string quartetBond, used on the album Born. The album subsequently achieved gold status in 14 countries and platinum in 12. He was nominated for Golden Reel Award in 2005 for music editing work on Batman Begins. In 2007, Cousins composed theme song and underscore the music for the long running TV series, The Beeps. He won the Cinema Audio Society Awards 2013 for Outstanding Achievement for Sound Mixing in a Motion Picture for his score mixing work on Gravity. In 2015 he was honoured with the TEC Award for Outstanding Creative achievement as score mixer for the same film. His composition work is usually published by Eaton Music. Film music production/mixing credits include: The Aeronauts / 2019 Our Planet / 2019 Wonder Park 2019 Dolphin Reef / 2018/2019 Ophelia / 2018 American Assassin 2017 Baby Driver 2017 Suicide Squad 2016 The Hunt 2015 Fury / 2014 Gravity / 2013 Way Up: The Story of Peckham BMX 2013 The World's End 2013 Attack the Block 2011 Alaska Oilmen: Gamble on the Ice 2008 Wildcatters 2007 Tarzan II 2005 Batman Begins 2005 xXx: State of the Union 2005 The League of Extraordinary Gentlemen 2003 I'll Be There / 2003 Dinotopia 2002 Crossroads / / 2002 Second Star to the Left 2001 From Hell / / 2001 The Long Run / 2001 Thirteen Days / 2000 Molly 1999 Cleopatra / / 1999 Notting Hill / / 1999 The First Snow of Winter 1998 Titanic Town / 1998 The Mighty 1998 Merlin 1998 Dark City 1998 Buddy's Song 1991 Romeo And Juliet 1990 Composer credits include: Warhammer Combat Cards Drop Dead Forza Horizon Cricket on Five: The Ashes Evil Up Close the Kidnap Killer The Craftsman 2012 Over the Hill? 2012 The Diamond Queen Britain's Killer Roads 2011 Castle Farm William & Kate: A Royal Engagement 2010 End of the Road 2009 Studs 2009 The Fuse Chefs and the City Buy It, Sell It, Bank It Behind Closed Doors The New British Kitchen The Beeps 2007 The Un-Gone 2007 Don't Die Young What I'd Really Like to Do 2006 Oil, Sweat & Rigs 2006 The Grape Escape Dunblane: A Decade On 2005 Arktos: The Internal Journey of Mike Horn 2005 Magic Hour