Tracklist
| 1 | Jazzy | 4:07 |
| 2 | Willie Baby | 2:46 |
| 3 | Borinquen | 3:17 |
| 4 | Willie Whopper | 2:39 |
| 5 | El Malo | 3:58 |
| 6 | Skinny Papa | 4:02 |
| 7 | Chonqui | 4:07 |
| 8 | Quimbombo | 5:01 |
Companies, etc.
- Manufactured By – Universal Music México, S.A. de C.V.
- Distributed By – Universal Music México, S.A. de C.V.
Credits
- Bass – Eddie Guagua*, James Taylor
- Bongos – Pablo Rosario
- Congas – Mario Galagarza
- Engineer – Irving Greenbaum*
- Lead Vocals – Hector Lavoe
- Leader – Willie Colón
- Piano – Dwight Brewster
- Producer – Jerry Masucci
- Timbales – Nick Marrero*
- Trombone – Joe Santiago, Willie Colón
- Vocals – Elliot Romero, Yayo El Indio*
Barcode and Other Identifiers
- Barcode: 877313000290
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| LP 337 | Willie Colon* | El Malo (LP, Album, Mono) | Fania Records | LP 337 | US | 1968 |
| SLPCD-337 | Willie Colon* | El Malo (CD, Album, RE) | Fania Records | SLPCD-337 | US | 1991 |
| LPS-77238, LP-337 | Willie Colon* | El Malo (LP, Album, RE) | Fania Records, Fania Records | LPS-77238, LP-337 | Venezuela | Unknown |
| SLP 337 | Willie Colón | El Malo (LP, Album, RE) | Fania Records | SLP 337 | Peru | Unknown |
| SLP 337 | Willie Colon* | El Malo (LP, Album, RE, Pal) | Fania Records | SLP 337 | US | Unknown |
