There is more than one artist under this name:
1. Liverpool born John Murphy began scoring movies at the age of 25. In 2000, following the success of Lock Stock and Two Smoking Barrels and Snatch, he moved to Los Angeles.
Since then the self-taught musician has worked with some of the industry's most respected and luminary filmmakers, including Danny Boyle, Guy Ritchie, Stephen Frears, Matthew Vaughn and Michael Mann, producing film scores as prominent and diverse as Kick-Ass, Sunshine, Miami Vice, Snatch and the seminal 28 Days Later.