"Legends of the Fall" is a 1994 drama film based on the 1979 novella of the same title by Jim Harrison. Stars Brad Pitt, Anthony Hopkins, and Aidan Quinn. The film won the Academy Award for Best Cinematography, The theme music was composed by James Roy Horner,
an American composer, orchestrator, and conductor of orchestral and film music.
You can find sheet music here:
Violin Sheet Music:
Piano Sheet Music: