¿Sí O Qué?

Producer: Adrián Reyes - Artist: Luis Y Julián Jr. - Recording Arranger: Adrián Reyes - Recording Engineer: Antonio Reyes - Recording Engineer: Adrián Reyes - Mix Engineer: Antonio Reyes - Mix Engineer: Adrián Reyes - Mastering Engineer: Antonio Reyes - Mastering Engineer: Adrián Reyes - Studio: Auromusik - A&R: Jorge Loayzat - Voice: Luis Y Julián Jr. - Drums: Lalo Banda Jr - Percussion: Jorge Tello - Electric Bass: Martin Gil - Tuba: Martín Murúa - Double Bass: Mario Montalvo - Strings: Victor Lugo - Accordion: Fermín Rivera - Guitar: Pedro Armendariz - Guitarron: Juan Puente - Strings: Juan Puente - Guitar: Juan Puente - Trumpet: Mario Eguia