LOS ANGELES (Agencies) Beyonce Knowles is to perform at the upcoming Michael Jackson tribute concert - via satellite. The 'Halo singer was a huge a fan of the 'Thriller hitmaker and it has now been confirmed she will take part in the 'Michael Forever tribute concert, which is due to take place at the Millennium Stadium in Cardiff, Wales, on October 8. However, she wont be able to make it in person because of scheduling issues but has found a way to be involved. However, a group of 35 Michael Jackson fan clubs have joined forces to lobby for the cancellation of a Michael Jackson tribute concert, saying the October event is doomed to fail. In an open letter to organizers Global Live Events, the fan clubs representing thousands of die-hard Jackson followers in Europe, Australia, China and Russia, said they had multiple concerns with the October8 event in Wales.