Tracklist
| A | Balada A Un Amor Perdido | 2:30 |
| B | Sunday | 2:30 |
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| RS 441 D | Edelweiss | Balada A Un Amor Perdido / Sunday (7", Single) | Roda Internacional | RS 441 D | Portugal | 1973 |
| MO 1336 | Edelweiss | Balada A Un Amor Perdido / Sunday (7", Single, Promo) | TOP Records | MO 1336 | Spain | 1973 |
| DL 25 628 | Edelweiss | Balada A Un Amor Perdido / Sunday (7", Single, Promo) | Decca | DL 25 628 | Germany | 1974 |
