Tracklist
| A | Why Have You Left The One You Left Me For | 2:52 |
| B | Cry Me A River | 3:11 |
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 1C 006-62 448 | Crystal Gayle | Why Have You Left The One You Left Me For (7", Single) | United Artists Records, EMI Electrola | 1C 006-62 448 | Germany | 1979 |
| K7344 | Crystal Gayle | Why Have You Left The One You Left Me For (7", Single) | United Artists Records | K7344 | Australia | 1979 |
| UA-X1259-Y | Crystal Gayle | Why Have You Left The One You Left Me For (7", Promo) | United Artists Records | UA-X1259-Y | US | 1979 |
| UP 36494 | Crystal Gayle | Why Have You Left The One You Left Me For (7", Single) | United Artists Records | UP 36494 | UK | 1979 |
| UP 36494 | Crystal Gayle | Why Have You Left The One You Left Me For (7", Promo) | United Artists Records | UP 36494 | UK | 1979 |
