One reason users seek an "UPD" version is to hear the cleaned-up audio of the soundtrack. The film features a blistering mix of Spanish hip-hop (SFDK, ToteKing) and flamenco fusion. The scene where Richie sings "Cualquier noche puede salir el sol" by is iconic. An updated audio mix in the 2020 remaster makes this scene vibrate.

Starring Juan José Ballesta as Tano and Jesús Carroza (who won a Goya Award for his performance) as Richi.

, Rodríguez ya demostraba su pulso para narrar historias urbanas con una atmósfera auténtica, huyendo de los clichés del cine quinqui tradicional. Banda sonora : El tema principal de