Check out this hot blazer from Nelly featuring R&B kingpin Usher. Production was done by Usher Raymond’s brother JLack, who signed a publishing deal with EMI Music Publishing late last year. This track will be on the upcoming Brass Knuckles LP, which has seen its release date pushed back one too many times. Nelly’s 4th studio album, Brass Knuckles will be in stores Tuesday, August 19, 2008.