Pancho Amat (Cuatro), Jerry Belc (Engineer), Tony Cousins (Mastering), Marcel Azzola (Accordion), Juan Jos? Mosalini (Bandoneon), Frank Emilio Flynn (Piano), Vincent Bruley (Mixing), German Velasco (Arranger), Omar Sosa (Piano), Patrice Caratini (Double Bass), Casanova (Piano Tuner), David Alfaro (Piano), Las Hermanas Faez (Main Performer), Candida Faez (Vocals), Emmanuelle Honorin (Producer), Ren? Faez (Guitar), Jos? Gerardo Mar?n (Viola), Vicente Monterrey (Clarinet (Soprano))