The very best soundtrack adds infinite magic to its movie. In 1934, influential Austrian composer Erich Korngold arrived in Hollywood to write film music, bringing lush German Romanticism to the silver screen. Ever since, composers have conjured huge soundscapes to bring love stories, thrillers, biopics, and more to compelling life. Here are some of the very best, including John Williams, Hans Zimmer, Alexandre Desplat, and one of cinema’s most recent talents, Hildur Guðnadóttir.