Tracklist Hide Credits
| A1 | Bailala MariaWritten By – A. Gil, Wayne, Woward |
| A2 | La CartaWritten-By – Sasia, Wayne - Carson* |
| B1 | Es Lupe (Hang On Sloopy)Written-By – Bert Russell, Wes Farre* |
| B2 | Mary MaryWritten-By – Michael Nesmith, Sasia |
Companies, etc.
- Manufactured By – Industrias Fonoelectricas Lyra
