Formerly known as Mach 4, Argentinean group Vox Dei started playing by the end of the 1960s. After signing up to independent label Mandioca, the band released "Azucar Amarga" and "Presente" in 1969; a year later, they issued the album Caliente. Vox Dei's conceptual album La Biblia, released in 1971, consolidated the band as one of the major local rock numbers. When Juan Carlos Godoy decided to leave the act, Ignacio Smilari joined in. Soon after Jeremias, Pies De Plomo came out, Vox Dei participated in a movie called Rock Hasta Que Se Ponga El Sol. In 1974, guitarist Carlos Michelini replaced Ricardo Soulé. The group disbanded after a live performance at Buenos Aires' Obras Sanitarias in 1981, returning in 1988 to make a new record called Tengo Razones Para Seguir.