Mozart was a prodigy at the piano and was composing music by the time he was four years old. His music is known and renowned worldwide, including pieces such as Eine Kleine Nachtmusik, Sonata in C Major, and operas such as Don Giovanni and The Marriage of Figaro.
orchestra playing in the background of the movie. When there's an intense scene, the music is intense. When there's a happy scene, the music sounds happy.
The composers would call for instruments to be used in new, unorthodox ways ("extended techniques"), like banging on the back of a guitar like a drum instead of strumming the strings.