The first edition of Prueba de Fuego was released by Isotonic records in Mexico City. This edition is co-edited and presented by El Toro, Isotonic and Marvel Records. It also contains a video-clip showing Los Twang! Marvels live in the land of Tenochtitlan along with an incredible Mexican audience which made possible that a trial by fire became the wildest party. A celebration with surf, rock and Latin tunes. That"s The Twang! Marvels own trademark.