Gary Yershon is an English composer.

Yershon was born in London. He is one of a group of composers who have little or no concert or commercial recording career, but whose nevertheless prolific output is evidenced for the most part in UK theatre souvenir programs. Others in this group include Paddy Cunneen, Jason Carr and Adam Cork. Like them, Yershon's work has been limited almost exclusively to music for drama, mainly in theatre but also including radio, television and film. He has also composed for dance.

He began his working life as an actor and has also worked as writer/translator (e.g. Ruslan and Lyudmila

Ruslan and Lyudmila

Ruslan and Lyudmila is an opera in five acts composed by Mikhail Glinka between 1837 and 1842. The opera is based on the 1820 poem of the same name by Alexander Pushkin. The Russian libretto was written by Valerian Shirkov, Nestor Kukolnik and N. A. Markevich, among others...

 for the BBC

BBC

The British Broadcasting Corporation is a British public service broadcaster. Its headquarters is at Broadcasting House in the City of Westminster, London. It is the largest broadcaster in the world, with about 23,000 staff...

) and musical director (Phyllida Lloyd

Phyllida Lloyd

Phyllida Lloyd CBE is an English director, best known for her work in theatre and as the director of the most financially successful British film ever released, Mamma Mia!.-Career:...

's 1994 production of The Threepenny Opera

The Threepenny Opera

The Threepenny Opera is a musical by German dramatist Bertolt Brecht and composer Kurt Weill, in collaboration with translator Elisabeth Hauptmann and set designer Caspar Neher. It was adapted from an 18th-century English ballad opera, John Gay's The Beggar's Opera, and offers a Marxist critique...

 at the Donmar Warehouse

Donmar Warehouse

Donmar Warehouse is a small not-for-profit theatre in the Covent Garden area of London, with a capacity of 251.-About:Under the artistic leadership of Michael Grandage, the theatre has presented some of London’s most memorable award-winning theatrical experiences, as well as garnered critical...

) ; Mike Leigh

Mike Leigh

Michael "Mike" Leigh, OBE is a British writer and director of film and theatre. He studied theatre at the Royal Academy of Dramatic Art, and studied further at the Camberwell School of Art and the Central School of Art and Design. He began as a theatre director and playwright in the mid 1960s...

's 1999 film Topsy-Turvy

Topsy-Turvy

Topsy-Turvy is a 1999 musical drama film written and directed by Mike Leigh and stars Allan Corduner as Arthur Sullivan and Jim Broadbent as W. S. Gilbert, along with Timothy Spall and Lesley Manville. The story concerns the 15-month period in 1884 and 1885 leading up to the premiere of Gilbert...

 and 2008 film Happy-Go-Lucky

Happy-Go-Lucky

Happy-Go-Lucky is a 2008 British Comedy-drama film written and directed by Mike Leigh. The screenplay focuses on a cheerful and optimistic primary-school teacher and her relationships with those around her...

).

He is also noted for composing the theme tune to James the Cat

James the Cat

James the Cat was a children's series created by Kate Canning and produced by Jan Clayton with Grampian Television. It chronicles the many events which take place at the Cornerhouse between James and his new friends. Fellow characters include: Mrs...

Nominated for 2009 Drama Desk Award, Outstanding Music in a Play.