Ervin “El Boricua” Rosario – De Corazon

 1 Aqui Estoy 4:03

2 Mi Salsa Dura 4:07

3 Perdoname 4:49

4 Puerto Rico 4:06

5 Quedate 4:17

6 Te Arrepentiras 4:15

7 Te Quiero Conmigo 4:06

8 Tu Veras 3:47

Arranged By – Cuto Soto* (pistas: 2, 4, 6, 7, 8), Humberto Ramírez (pistas: 8), Ramón Sanchez (pistas: 1, 3, 5)

Bass – Jose Gazmey, Pedro Pérez (4)

Coro – Wichie Camacho*

Design, Executive-Producer – Ervin "El Boricua" Rosario*

Liner Notes – El Boricua*

Percussion [Menor] – Cuto Soto*, Raymond "Nundo" Rodriguez*, Tito De Gracia

Piano – Ramón Sanchez

Producer – Cuto Soto*

Timbales – Edwin Clemente

Trombone – Tonito Vasquez*

Trombone, Coro – Carlos "Cuto" Soto (pistas: Cuto Soto), David M. Irurita*

Trumpet – Angie Machado, Carlos "Cutito" Soto Jr*, Luis O. Aquino*, Cusi Castillo*

Vocals – Ervin Rosario

Written-By – Ervin Rosario, Gerardo Rosario (pistas: 1)