Voice: David Bisbal - Artist: Alejandro Fernández - Producer: Áureo Baqueiro - Recording Arranger: Áureo Baqueiro - Vocal Arranger: Áureo Baqueiro - String Arranger: Jeremy Rubolino - String Arranger: Áureo Baqueiro - Vocal Arranger: Pablo Cebrián - Recording Engineer: Áureo Baqueiro - Recording Engineer: Fernando De Santiago - Recording Engineer: Diego Ortega - Recording Engineer: Ramón Stagnaro - Recording Engineer: Adam Michalak - Mixer: Áureo Baqueiro - Mastering Engineer: Gavin Lurssen - Guitar: Fernando De Santiago - Guitar: Marco Santiago - Acoustic Guitar: Ramón Stagnaro - Strings: Mr B Magic Orchestra - Harp: Jenny Grossman