Tracklist
| A | Conserva El Sueño | 3:30 |
| B | Necesito Valor | 3:55 |
Credits
- Bass, Guitar, Vocals [Uncredited] – Chema*
- Drums, Percussion [Uncredited] – Frank Rojas
- Guitar, Percussion, Vocals [Uncredited] – Carl Martin*
- Guitar, Vocals [Uncredited] – Pablo Manavello
- Producer – Emilio Santamaría
Notes
PROMOCIONALOther versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| ESP-525-A | Sangre | Conserva El Sueño (7", Single, Promo) | RCA Victor | ESP-525-A | Spain | 1971 |
| 30 049 | Sangre | Conserva El Sueño (7", Single) | RCA Victor | 30 049 | Portugal | 1972 |
| 3-10649 | Sangre | Conserva El Sueño (7", Single) | RCA Victor | 3-10649 | Spain | 1971 |
Tracklist
| Conserva El Sueño | 3:30 |
| Necesito Valor | 3:55 |
Versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 3-10649 | Sangre | Conserva El Sueño (7", Single, Promo) | RCA Victor | 3-10649 | Spain | 1971 |
| 3-10649 | Sangre | Conserva El Sueño (7", Single) | RCA Victor | 3-10649 | Spain | 1971 |
| ESP-525-A | Sangre | Conserva El Sueño (7", Single, Promo) | RCA Victor | ESP-525-A | Spain | 1971 |
| 30 049 | Sangre | Conserva El Sueño (7", Single) | RCA Victor | 30 049 | Portugal | 1972 |
