Juan Luis Guerra Y 4.40: Juan Luis Guerra (vocals, guitar); Daniel Pena (saxophone); Armando Beltre (trumpet); Roberto Olea (trombone); Elvis Cabrera (piano, synthesizer); Marco Hernandez (synthesizer); Osvaldo Cesa (bass); Roger Zayas (drums); Pedro Peralta (congas); Rafael Guzman (guira); Isidro Bobadilla (percussion); Adalgisa Pantaleon.
Additional personnel: Luis Del Rosario (saxophone); Femin Cruz (trumpet); Manuel Tejada (piano, synthesizer); Yanino Rosada, Gonzalo Rubalcaba (piano); Robert Jeandor (bass, maracas); Hector Santana (bass); Guy Frometa (drums); Alberto Machuca (bongos, cencerro); Gadwin Vargas (congas); Pichi Perez (guiro, maracas); Henry Garcia (guiro, background vocals); Santiago Martinez (timbal); Mariela Mercado, Sonia Silvestre, Victor Victor, Robert Jeandor (background vocals).
Engineers include: John Fausty, Marco Felix, Carlos Molina.
Recorded at 440 Studio, New York, New York; Audio Proceso, Midilab & Estudios EMCA, Santo Domingo, Dominican Republic.