Mark Knopfler's original music for The Princess Bride utilizes dreamy washes of synthesizers overlayed with warm acoustic instruments and hints of percussion. It's a great formula, often drifting through a gauze befitting a film that plays like a fairy tale. At the same time, songs like "Cliffs of Insanity" and "The Fireswamp and the Rodents of Unusual Size" cleverly acknowledge the movie's quirky humor even as they advance the plot with urgent notes or shimmering synth trills. "The Friends' Song"'s gently plucked acoustic guitar and whistle suggests the bardic tradition, while the main theme "Once Upon a Time...Storybook Love" is as romantic and pastoral as the film itself.