A1 He Sabido Que Te Amaba
Written-By – Nicolás Di Vari
Written-By [uncredited] – Luigi Tenco
A2 Concavo Y Convexo
Written-By – Roberto Carlos
A3 Cada Cosa En Su Lugar
A4 Vamos A Darnos Tiempo
Written-By – Alejandro Jaén
B1 Acariciame
Written-By – Alejandro Jaén
B2 Chiquitita
B3 Estas Segura
Written-By – Rafael Pérez Botija*
Arranged By – Angel Torres, Elias López*, Javier Fernández*
Backing Vocals – Gilberto Santa Rosa, Jerry Rivas, Tony Rivas
Bass – Johnny Kural
Congas – Rubén Ortiz*
Cover, Design – Ivan (Vani) Cáceres*
Directed By – Nelson Jaime
Engineer, Mixed By – Papo Ríos
Guest [Piano] – Marcos Adorno
Guest [Trumpet] – Luis Aquino
Guiro, Coro – Fernando Fretz*
Leader, Bongos – Nicolás Vivas*
Piano – Angel Nieves
Producer, Executive-Producer – Charlie Muñiz
Tres – Freddie Camacho
Trumpet – Luis Bermudez, Narciso Ruiz, Nelson Jaime, Rafael Garcia (5)
Vocals, Backing Vocals – Eggy Ramirez, José (Cheo) Andújar*
