Coppola was the musical director of six Broadway musicals, including "Silk Stockings", "Bravo Giovanni" and "The Boy Friend". He conducted two movie scores, 1990s "The Godfather Part III" and 1992's "Bram Stoker's Dracula". He appeared in the former, shown conducting the opera "Cavalleria rusticana" in the Teatro Massimo in Palermo.