Complex sentence: His "film symphony" "Der Schatz" (The Treasure) came out of a commission from German film director Georg Wilhelm Pabst to provide an original musical score for his 1923 film.
Split into simpler sentences: His "film symphony" "Der Schatz" (The Treasure) came out of a commission from German film director Georg Wilhelm Pabst. He wanted an original musical score for his 1923 film.