Producer: Juan Luis Guerra - Artist: Juan Luis Guerra 4.40 - Keyboards: Jairo Milanes - Featuring: Romeo Santos - Trumpet: Jesús Alonso - Trumpet: Ernesto Nuñez - Piano: Janina Rosado - Trombone: Patricio Bonilla - Saxophone: Daniel Pena Janes - Saxophone: Joel Rosario - Guitar: Luis Payan - Electric Bass: Abednego De Los Santos - Tambourine: Juan De La Cruz - Timbales: Juan De La Cruz - Guiro: Rafael Martinez German - Bongos: Rafael Martinez German - Conga: Luis Mojica - Percussion: Isidro Bobadilla - Drums: Guy Frometa - Chorus: Adalgisa Pantaleon - Chorus: Roger Zayas-Bazan - Chorus: Juan Rizek - Production Coordinator: José Amable Frometa - Engineer: José Amable Frometa - Assistant Producer: Eva Torroja - Mix Engineer: Allan Leschhom - Additional Producer: Allan Leschhom - Mastering Engineer: Adam Ayan - Photographer: Peyi Guzman - Photographer: Francis Adames - Recording Engineer: José Amable Frometa - Editor: Mariano Pichardo - Music Director & Conductor: Janina Rosado - Chorus: Janina Rosado - Additional Producer: Janina Rosado