Amazing!

I really did like the vocals! I love this kind of music, and I listen to this all the time! Honestly, it NEVER gets old. I like the lyrics, too ^_^
The pitch change is so amazing, aswell.

Nice!

The vocals aren't the best, but don't don't worry about it. Keep it up!

Nice!

Nice job. Don't feel too bad about the vocals. Your vocals are fine (a little over processed for my tastes, (pitch correction?) but by no means bad!) It's not that you can't sing, it's that the original vocals set a very high bar. He has a very expressive voice, probably, perfectly captured with some expensive gear. It's a nice track and the vocals work well; just that people have such an attachment to the original, I think you've set yourself an unfair task

^_^

incredible i love the beat

Better than Jay-Z!

haha, definetly not bad!
I like this much better than Jay-Zs version, but cant replace the original for me.

Contrary to what the guy beneath me thinks, I dont think your singing is that bad. Perhaps not as good as someone who has been singing for several years, and has had lessons, but its really not awful or anything. Just keep practicing!