Kane Welcomes You to PlanetCNC.com (dance version)
An official welcome to PlanetCNC.com from the messiah.... Kane
Taken from the blooper reel of the C&C3: Tiberium Wars: Kane Edition extras.
the fansites CNC-NZ, CNC Saga and the C&C Den all got more serious videos, but the people on Planet C&C forum seemed to agree this fits their community perfectly :p