Artist: Las Marías - Producer: María Teresa - Producer: Maria Isabel - Recording Arranger: Jackobo Almada - Trumpet: Jackobo Almada - Other: Jackobo Almada - Guitar: Jackobo Almada - Accordion: Jackobo Almada - Recording Engineer: Jose Luis Aceves - Studio: Estudio Hugo's - Recording Arranger: Giovanni Ferri - Violin: Giovanni Ferri - Mastering Engineer: Giovanni Ferri - Studio: Estudio Jordan - Musical Director: María Teresa - Vocal Arranger: María Teresa - Musical Director: Maria Isabel - Vocal Arranger: Maria Isabel - Voice: María Teresa - Voice: Maria Isabel