James Horner was an esteemed American composer, conductor, and orchestrator of film scores. He was known for integrating choral and electronic elements in many of his film scores, and frequently used traditional Irish music. Horner was recognized for his works in numerous box-office hits, including "Titanic," for which he won two Academy Awards, and other films like "Avatar," "Braveheart," and "A Beautiful Mind". His significant contribution to film music has left an indelible mark on the industry.