Performance Credits Philip Glass Primary Artist,Piano Daniel Medina De La Rossa Primary Artist,Violin,Vocals Erasmo Medina Medina Primary Artist,Guitar Technical Credits Don Christensen Executive Producer Philip Glass Arranger,Composer,Producer,Group Member,Executive Producer Victor Sanchez Producer,Translation Kurt Munkacsi Executive Producer Daniel Medina De La Rossa Arranger,Composer,Lyricist,Group Member Emiliano Gonzalez De Leon Assistant Erasmo Medina Medina Translation,Group Member Atzin Bravo Assistant Eduardo VC Assistant Arturo Bejar Photography Leonardo Heiblum Producer,Editing,Engineer Mauricio Gonzalez Liner Note Producer