John Murphy, born on March 4, 1965, in Liverpool, England, is a renowned British film composer and self-taught multi-instrumentalist. His career began in the 1980s, collaborating with Liverpool-based artists like The Lotus Eaters and Thomas Lang. Murphy's entry into film scoring took off in the early 1990s, notably with the soundtrack for "Leon the Pig Farmer." He gained significant acclaim for his work on Guy Ritchie's "Lock, Stock and Two Smoking Barrels" (1998) and "Snatch" (2000).

Relocating to Los Angeles in 2000, Murphy worked with prominent directors such as Danny Boyle, Michael Mann, and Stephen Frears. His scores for films like "28 Days Later," "Miami Vice," "Sunshine," and "28 Weeks Later" are particularly celebrated. His compositions "In the House – In a Heartbeat" and "Adagio in D Minor" have been widely used in media beyond their original films.

Murphy's career includes scoring for commercials and receiving awards such as the Silver Award at Cannes and a British D & AD Award. In recent years, he composed for "The Suicide Squad" (2020) and continued his collaboration with James Gunn on "Guardians of the Galaxy Vol. 3" and the upcoming "Superman" (2025). Murphy, who remains a private individual, lives in Los Angeles with his family. His net worth is estimated at $5 million.