Hopscotch (film) describes bullets flying and even bombs exploding. There is also the aria "[[Largo al Factotum]]" from the opera [[The Barber of Seville]] by [[Gioachino Rossini]]. Matthau sings this as he passes a border checkpoint. The words to the aria explain how everyone is looking for the barber, and he moves fast like lightning. Kendig has the aria "[[Un bel dì vedremo|Un Bel Dì Vedremo]]" ("One Beautiful Day") from [[Madame Butterfly]] by [[Giacomo Puccini]] playing loudly on the stereo as the FBI and CIA shoot up Myerson's wife's house. The operatic contrapunto adds a surreal air of ironic justice to the
Un bel dì vedremo does not believe that Pinkerton will come back, but Butterfly is optimistic. Trying to convince Suzuki of Pinkerton's loyalty, Butterfly sings of an imaginary scene in which a thread of smoke on the far horizon signals the arrival of a white ship into Nagasaki harbour, bringing her long-lost love back to her. The imagined scene culminates in a romantic reunion. The aria is noted for its lyrical beauty, and it is of particular dramatic importance as Butterfly's yearning expressed in the song is later met with tragedy. Butterfly's longed-for "beautiful day" is heralded at the end of Act 2 by