In “Sergio Sanz, in the labyrinth of the painting”, Javier Baron writes that “much of the uniqueness of the painting by Sergio Sanz lies in its intense perception of a complex reality that includes, in a very particular way, the suggestions of the literature, the music and the painting itself will seek. The amplitude of these references have been occupied in different catalogues of its exhibitions Javier Díaz López, Francisco Calvo Serraller, Juan Manuel Bonet, Raul Eguizábal, Luis Alberto de Cuenca and Enrique Andres Ruiz.