sentences:  The film's musical score was composed and conducted by Alan Silvestri, who later wrote music for "Who Framed Roger Rabbit", "Forrest Gump" and numerous other films, many of them directed by Robert Zemeckis.The memorable themes in his "Back to the Future Overture" have since been heard in the film's sequels (also scored by Silvestri), in , and as ambient music at the Universal Studios theme parks.A remix of the main theme was heard in the opening sequence for MCA-Universal Home Video from 1990 to 1997.