Ok, I swear I wasn't out hunting for this, but while on a search for the long-awaited Suri photos (yes, ok, I was hunting for those), I came across this.
And he really IS as bad as everyone says. I mean, I guess I shouldn't be surprised, but for a former back-up dancer, he's surprisingly awkward-looking up there (in addition to the mediocre-at-best rapping).
If you can't torture yourself for the full 3 minutes and 43 seconds, skip ahead to around 1:25, where it starts getting really good.
And by good, I mean "more interesting to watch."