Artist: Juanes - Recording Engineer: Stanley Soares - Mixer: Sebastian Krys - Vocals: Juanes - Guitar: Juanes - Bass: Felipe Navia - Guitar: Juan Pablo Daza - Drums: Marcelo Novati - Keyboards: Emanuel Briceño - Mastering Engineer: Frank Arkwright - Composer/Author: James Hetfield - Composer/Author: Kirk Hammett - Composer/Author: Lars Ulrich