Complex sentence: The whimsical, soaring score for "Supergirl" was composed and conducted by veteran composer Jerry Goldsmith, who had been the initial interest of director Richard Donner to compose for the first "Superman" film.
Split into simpler sentences: The whimsical, soaring score for "Supergirl" was composed and conducted by veteran composer Jerry Goldsmith. Goldsmith had been the initial interest of director Richard Donner to compose for the first "Superman" film.