[PHOTOS: Fans mourn Michael Jackson's passing]
[PHOTOS: Michael Jackson through the years]
[VIDEO: Full video coverage of the passing of Michael Jackson]
[INTERACTIVE: The many faces of Michael Jackson]
[INTERACTIVE: Timeline of Michael Jackson's career]
[INTERACTIVE: Michael Jackson's 18 #1 hits]
[QUOTES: Read what friends and colleagues are saying about MJ]
After years of seclusion following a child sex scandal, the pop icon was heavily involved in all aspects of the concert rehearsals. He had hired a personal trainer and was practicing with backup dancers and choreographers several hours a day.
Friends say the King of Pop seemed driven and upbeat in the weeks, even hours, before his death as he rehearsed rigorously for a series of 50 concerts in London that were to begin a late-career comeback.
Ken Ehrlich, executive producer of Grammy Awards, says Jackson met with him and invited him to a rehearsal. He says he saw the old Michael Jackson moving across the stage, just 24 hours before he died.
Complete ABC13.com coverage of Michael Jackson
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