In Berlin, for the premiere performance outside the Soviet Union of The Battleship Potemkin, film director Sergei Eisenstein worked with Austrian composer Edmund Meisel (1874-1930) on a musical score matching sound to image; the Berlin screenings with live music helped to bring the film its wide international fame.

在这句话中” matching sound to image”做什么成分？是修饰score的吗？后面” on a musical score matching sound to image”该怎么翻译？