Drums recorded in Macarena Barrías house's.
Guitar, bass and vocals recorded in Matias Reyes house's.
Track 2 has a name error, the song is called "Concrete Prisons", not "Concrete Prisions".
On the back of the cover includes the message: "NO PAGUES POR ESTO, CONSÍGUELO GRATIS O POR TRADE" /
"DO NOT PAY FOR THIS, GET IT FREE OR BY TRADE".