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
Giacomo Puccini "La bohème" was "Tosca" (1900), arguably Puccini's first foray into "verismo", the realistic depiction of many facets of real life including violence. Puccini had been considering an opera on this theme since he saw the play "Tosca" by Victorien Sardou in 1889, when he wrote to his publisher, Giulio Ricordi, begging him to get Sardou's permission for the work to be made into an opera: "I see in this "Tosca" the opera I need, with no overblown proportions, no elaborate spectacle, nor will it call for the usual excessive amount of music." The music of "Tosca" employs musical signatures for