Michael Jackons "This Is It"

In the clip that we seen of "This Is It" or the new movie that's based upon michael jacksons days training for his tour seemed great to me. Listening to that clip then to the same song he sounded great much like the edited recording if it was edited. Michael jackson the best musician to ever take hold of a microphone from as a child to an adult age is missed by many and somewhat by me. I guess this is it