A1 Obra Del Tiempo
Written-By – Dewell Narvaez
A2 Negrita
Written-By – Dewell Narvaez
A3 Reincarnation
Written-By – Armando Vázquez, Dewell Narvaez, Johnny Carro
A4 Sabiduria
Written-By – Dewell Narvaez
B1 La Mafia
Written-By – Dewell Narvaez
B2 El Malo
Written-By – Dewell Narvaez
B3 El Amor De Puerto Rico
Written-By – Dewell Narvaez
B4 El Clocko
Written-By – Leroy Anderson
Distribuido por – Fania Records
Artwork By [Front Cover] – Carmen Martinez
Artwork [Back Cover] – Dominique (43)
Bass – Joe Naveira
Bongos – Manny Grau
Congas – Danny Quijano
Coordinator – Evelyn Garcia
Design – Charlie Rosario (2)
Engineer – Jon Fausty, Sandy Sina
Lead Vocals – Armando Vázquez
Other [Thanks To] – Richie Bonilla
Piano, Coro – Johnny Caliente Carro*
Producer – Joe Cain
Timbales – Little Jose Morales*
Trombone – Ralphie Rodriguez
Trombone, Cuatro, Coro, Percussion, Effects – Dewell Narvaez