Voice: David Bisbal - Voice: Carrie Underwood - Producer: Andres Torres - Producer: Mauricio Rengifo - Producer: Josh Murty - Recording Engineer: Andrés Torres - Recording Engineer: Mauricio Rengifo - Recording Engineer: Josh Murty - Programmer: Andrés Torres - Programmer: Mauricio Rengifo - Programmer: Josh Murty - Keyboards: Andrés Torres - Keyboards: Mauricio Rengifo - Keyboards: Josh Murty - Guitar: Andrés Torres - Guitar: Josh Murty - Additional Vocals: Mauricio Rengifo - Mixer: Jaycen Joshua - Assistant Mixer: Jacob Richards - Assistant Mixer: Rashawn McLean - Assistant Mixer: Mike Seaberg - Mastering Engineer: Dave Kutch - Vocal Engineer: Pablo Cebrián - Vocal Arranger: Pablo Cebrián - Vocal Editing: Iñaki De Las Cuevas