Rock Festival" in November 1970, and the album was presented with four shows at Teatro Presidente Alvear (Buenos Aires), followed by a tour throughout the country's major cities.

"La Biblia" is considered by Argentinian rock fans to be Vox Dei's indisputable masterpiece; it has been called "magnificent for both its music and lyrics".

Musically the band adopted a hard psychedelic direction, with chiming 12-string guitar and overdriven solos alternating with folky acoustic passages and harmony vocals sometimes reminiscent of The Moody Blues.

To promote the album live, guitarist Nacho Smilari (formerly member of La Barra de Chocolate) joined the band.

The album was released earlier than expected, which caused two edition errors, "Apocalipsis" was recorded without vocals and "Libros Sapienciales" was credited as "Profecías" on the tracklist.