New Rap Song -- What's the name/artist?

I heard a new song ... it sounds like TI, but I'm not sure.

Part of the lyrics talk about it took so long for DRE and Eminem that Soulja boy had us all crankin' that ....

?? Do you know it??

HELP!!

im almost certain its a lil wayne song from The Carter III
but not sure.
you might try TI, he has a new album out.

hey
itts chamillionaire - a milli remix
here
http://uk.youtube.com/watch?v=PxoN_EFb4RU