Beyonce Knowles to perform at Michael Jackson tribute concert via satellite

Beyonce Knowles has become the latest celebrity set to perform at the Michael Jackson tribute concert in Wales in October, but she will be taking part via satellite.Katherine Jackson has organised the ‘Michael Forever: The Tribute Concert’ in Cardiff, and superstars Christina Aguilera,Cee Lo Green, Smokey Robinson and Leona Lewis have already signed up.Now Beyonce has been added, even though