Jonathan Sacks (born December 14, 1950) is an American composer and orchestrator. Sacks has composed music for both concert hall (chamber and orchestral) and theater. As an orchestrator he has worked on many movies, including Seabiscuit, Cars and both X-Files films. Sacks was also an orchestrator for the Metallica live orchestral album S & M. He created orchestral arrangements for orchestras to play behind Steve Martin and the Steep Canyon Rangers. He is currently setting Shakespeare sonnets to music in collaboration with L.A.-based producing and performing ensemble, JACK, for a show in development called 14 Lines.