Many of the negative comments referred to a story published by the Canadian Press a week after Jackson 's death on June 25 , 2009 , quoting KISS leader Gene Simmons concerning sexual molestation allegations against the pop star . NEW : Some Michael Jackson 's fans object to KISS performing because of Jackson comments . NEW : Many of Jackson back up musician will reuniute for the tribute . Christina Aguilera , Leona Lewis , Smokey Robinson , Jackson and JLS are also signed . Two generations of the Jackson family will take the stage in the Cardiff , Los Angeles , show .
NEW : Some Michael Jackson 's fans object to KISS performing because of Jackson comments . NEW : Many of Jackson back up musician will reuniute for the tribute . Christina Aguilera , Leona Lewis , Smokey Robinson , Jackson and JLS are also signed . Two generations of the Jackson family will take the stage in the Cardiff , Los Angeles , show .