. A-list performers will work together to replicate what was planned for Michaels concerts. Madonna stated after Jacksons death that she had planned a surprise appearance during one of his O2 Arena concerts. She is now one performer rumored to take the stage at the Tribute concerts. One performance will reportedly be held in September, but there has been no decision made on where the concert will take place. ... Michael Jackson Dead Tribute Show London O2 Arena Madonna Thriller Concert This ...