Arranged By, Written-By – Bobby Cruz, Ricardo RayPiano – Ricardo RayVocals – Bobby Cruz

Arranged By, Flute – Johnny PachecoPiano – Larry HarlowTrombone – Renaldo Jorge*Vocals – Adalberto Santiago, Hector Lavoe, Ismael Miranda, Pete "El Conde" Rodriguez*, Santos ColónWritten-By – Catalino Curet Alonso, Johnny Pacheco

Arranged By – Javier VasquezTrombone – Barry RogersTrumpet – Larry SpencerVocals – Hector Lavoe, Ismael MirandaWritten-By – Ismael Miranda

Arranged By – Bobby Valentin, Johnny PachecoBongos – Roberto RoenaCongas – Ray BarrettoTimbales – Orestes VilatoTrombone – Willie ColónTrumpet – Hector Zarzuela, Roberto Rodriguez Written-By – Johnny Pacheco

Arranged By – Marty Shelter*Piano – Larry HarlowTrombone – Willie ColónVocals – Pete "El Conde" Rodriguez*Written-By, Flute – Johnny Pacheco

Arranged By, Performer, Written-By – Johnny Pacheco