The cassette entitled "Primer K7 and First Essays / Where Inspiration Is Born" (translation" Primer K7 y Primeros Ensayos / Donde Nace La Inspiración” was the first material documenting the existence of the band, even being used so that some friends close to the band could hear what the project was about. The "Side A" features 6 of the band's first songs including “Zona Anti-Nazis” in its original Punk Rock version and “Sigo Tomando Cervezas” an anti-ballad type theme so to speak, which was created rehearsed and recorded in a room in La Aurora de Heredia between liquor and some other things, using a Melodica (Harmonic piano), a wrench and a hammer for the intro. The "Side B" documents the second live Participating in the "Tributo a Eskorbuto" in Alajuelita Bar 'Los Maderos' at the end of 2006 and 3 songs recorded equally homemade and taking advantage to record the missing band "Los Dezpreciadxs" their model and compiling "Furia Obrera", "Sudaras Hasta Que Mueras" and "Muerte a la Pestilencia”, themes included in the final demo and first full-length “Inspirados por la Violencia”. (translation “Inspired by Violence”.