Bird Rock was formed in late 1972, originally comprised Luis Borda (guitar), Federico Sainz (voice), Oscar Glavic (bass) and Marcelo Saborido (drums). Soon Daddy Saborido Antogna replaces and incorporates Osvaldo Calo keyboardist. The debut recording began in August 1973, after debuting live at the Theater Center in June. The album was published in May 1974, when the band was touring the countryside.
Calo left the group and the band made some appearances as a quartet, and then incorporate Alberto Salomone. In March 1975 after returning from the long national tour, they began recording the second album, with Jorge Liechtenstein (formerly of the band Orions Beethoven) on drums. Luis Borda was also replaced by Pancho Arregui, and the new lineup of the band, ALSO internal conflicts began to emerge, which made the group disbanded IMMEDIATELY after completing the recording of the second album, which was finally published in 1977.