VIDEO: New Concert Footage Of Michael Jackson Rehearsing For This Is It Tour

Sep. 21 2009, Published 5:05 a.m. ET

New video of Michael Jackson practicing for what was to be his sold-out concert stint at England's O2 Arena was released Sunday, promoting the film documenting Jackson's final series of rehearsals, This Is It.

In the clip, the late King of Pop, wearing a black outfit and a hat, sings in “half-voice” his 1983 hit, Human Nature.

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Jackson died after suffering a sudden cardiac arrest June 25 in Los Angeles; investigators have ruled the death a homicide, but have yet to charge anyone in connection with it.