Texts by Carlos Díaz-Bertrana, Henar Riviére Ríos, José Luis Castillejo, Gabriele Bonomo and Miguel Copón, with images of the different works included in the exhibition, they form part of this exhibition catalogue. Walter Marchetti, founder of the ZAJ group in 1964, together with Juan Hidalgo, is a fundamental artist to understand the process of confluence of the arts that occurred in the late fifties and early sixties.