Guitar: Javier Limón - Artist: Santiago Auserón - Percussion: Israel suarez "piraña" - Bass Guitar: Dany Noel - Voices: Javier Limón - Voices: Dany Noel - Producer: Javier Limón - Recording Engineer: Javier Limón - Mixer: Aurelio Estébanez - Mastering Engineer: Caco Refojo