Promoters for Michael Jackson’s comeback tour in 2009 feared for the singer’s stability saying he was out of shape and consumed with self-doubt.

An American paper’s revealed details of emails involving AEG, which was financing a series of concerts in London.

In one exchange before a press conference to promote the concert, a senior executive wrote that Jackson was “an emotionally paralyzed mess” and was “locked in his room drunk and despondent”.