FILE - In this March 5, 2009 file photo, US singer Michael Jackson announces that he is set to play a series of comeback concerts at the London O2 Arena in July, which he announced at a press conference at the London O2 Arena. A California appeals court on Friday Jan. 30, 2015, upheld a jury's verdict and judge's ruling in a case filed by Jackson's mother against concert promoter AEG Live. Katherine Jackson had been seeking a new trial in the case, but the panel found no legal errors with the verdict or pre-trial rulings. (AP Photo/Joel Ryan, File)