Resurrecting musicians like Roy Orbison for hologram tours is big business, but is it right?
Death Prompts Surge in Jackson Sales
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Michael Jackson's 'Thriller' Is First Album to Sell 30 Million Copies
Jackson's Death Resurrects His Album Sales
Quincy Jones Recalls Michael Jackson's Death and His Private Nickname
Michael Jackson returns from the grave
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The History of 'Hold My Hand' – Michael Jackson's Duet with Akon –