Tracklist
| –Rapsus'Klei | 1er Contacto |
| –Rebel | Ley Natura Mantiene |
| –R De Rumba | 1er Contacto (Instrumental) |
| –R De Rumba | Ley Natura Mantiene (Instrumental) |
Versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 23005043 | R De Rumba | Primer Contacto / Ley Natura Mantiene (CD, Maxi) | Boa, Rap Solo | 23005043 | Spain | 2004 |
| BOA 23006043, none | R De Rumba | Primer Contacto / Ley Natura Mantiene (12", Maxi) | BOA, Rap Solo | BOA 23006043, none | Spain | 2004 |
