Tracklist Hide Credits
| A | Yo-YoWritten-By – Joe South |
3:15 |
| B | Uncle Albert / Admiral HalseyWritten-By – P. & L. McCartney* |
3:20 |
Companies, etc.
- Record Company – RCA, S.A.
- Manufactured By – COFASA
- Printed By – Artes Gráficas Jesús Guerrero
Credits
- Arranged By, Directed By – Hugo Montenegro
- Photography By – Tassilo Trosi
- Producer – Pete Spargo
Notes
On label reads:RCA PROMOCIONAL - PROHIBIDA SU VENTA
Barcode and Other Identifiers
- Rights Society: SGAE
- Depósito Legal: M.29904-1971
- Matrix / Runout (Label Side A): 3G1ZW-0225
- Matrix / Runout (Label Side B): 3G1ZW-0226
- Matrix / Runout (Runout Side A): 850 1ZW 0225 1
- Matrix / Runout (Runout Side B): 850 1ZW 0226 1












