At a moment in the Puto Infierno bar, can be seen in a wall a still image from the movie Conan the Barbarian (1982) featuring the child Conan with her mother. Child Conan was played by Jorge Sanz, who plays Valentín in this movie.
José Mota's appearance pays tribute to Fito Cabrales, lead vocalist and singer of the Spanish rock band Fito y Fitipaldis.
The movie title addresses about the fictional first and only one music album, supposedly published on 1989, as well as one of the songs included on it.
Second movie about a fictional music rock band for Jorge Sanz. In Endless, the Rock Return (2005) he played Javi, Dani Martín's older brother and first singer of the band Sinfín.