1. El Nuevo Barretto
2. Mercy Mercy Baby
3. Acid
4. A Deeper Shade Of Soul
5. The Soul Drummers
6. Sola Te Dejaré
7. Teacher Of Love
8. Espíritu Libre

René López, Roberto Rodriguez (tp)
Louis Cruz (p)
Bobby "Big Daddy" Rodriguez (b)
Ray Barretto (congas, backing vo on 1, cond)
Orestes Vilato (timbales)
Adalberto Santiago (vo, claves on M-3, maracas on M-6, bells on M-8, backing vo, tambourine, bells on M-1)
Pete Bonet (backing vo on 1, 6, vo, guiro, perc on M-8)
Willie Torres (backing vo on 2, 5, 6, 7)
Jimmy Sabater (backing vo on 2, 5, 6, 7)

Recorded at RCA studios, 1967 (Fania)