Voice: Alejandro Sanz - Producer: Alfonso Pérez - Producer: Alejandro Sanz - Producer: Javier Limón - Recording Arranger: Alfonso Pérez - Recording Arranger: Alejandro Sanz - Recording Arranger: Javier Limón - Recording Arranger: Chris Hierro - Recording Arranger: Javier Limón Junior - Programmer: Alfonso Pérez - Programmer: Alejandro Sanz - Programmer: Javier Limón - Programmer: Chris Hierro - Programmer: Javier Limón Junior - Recording Engineer: Carlos Del Valle - Recording Engineer: Peter Walsh - Engineer: Daniel Guzmán - Engineer: Carlos Del Valle - Engineer: Marcos Mejías - Asst. Recording Engineer: Carlos Del Valle - Asst. Recording Engineer: Caco Refojo - Asst. Recording Engineer: Frank Lozano - Asst. Recording Engineer: Kike Bosch - Recording Engineer: Martin Roller - Music Engraver: Iván Valdés - Mix Engineer: Peter Walsh - Programmer: Peter Walsh - Assistant Mixer: Carlos Del Valle - Assistant Mixer: Frank Lozano - Mastering Engineer: Frank Arkwright - Vocal Editing: Alexander Sánchez “Kyd" - Vocal Engineer: Alexander Sánchez “Kyd" - Drums: Horacio Hernández (El Negro) - Bass Guitar: José Armando Gola - Piano: Alfonso Pérez - Keyboards: Alfonso Pérez - Acoustic Guitar: Yeray Cortés - Percussion: Israel suarez "piraña" - Recording Arranger: Pablo López - Programmer: Pablo López - Editor: Alfonso Pérez - Editor: Carlos Del Valle - Voices: Alana Sinkëy - Voices: Toñi Nogaredo - Voices: Fanía Zarzana - Voices: Sandra Zarzana - Voices: Mara Cruz - Voices: Juan José Alba - Voices: Manuel Muñoz