Histeria began in mid-1984. It is made up of July (voice), Jarocho (guitar), Caballo oi! (bass) and Hippy (drums). With this lineup they play for a year in holes and clubs on the local circuit, to later disintegrate for a while, since July decides to get back on track with new members, leaving the formation as follows: Tex (voice) Jarocho (guitar) ) Thrasher (Bass) and July (drums). They recorded 2 demos in a totally DIY way in their rehearsal room in 1984 and 1986 with both formations, the first of them barely distributed and remaining semi-unreleased until today.