Complex sentence: Davis also appeared in two movies, "Sweet and Low" (1947) with the Will Mastin Trio, and "The Benny Goodman Story" (1956), in which he played the bandleader and arranger Fletcher Henderson.
Split into simpler sentences: Davis also appeared in two movies, "Sweet and Low" and "The Benny Goodman Story". In "The Benny Goodman Story," he played bandleader and arranger Fletcher Henderson.