Yung Berg tends to get a bad rap. It’s not that the Chicago native isn’t technically sound, but perception is everything. After his pop-rap single “Sexy Lady” became a summer ’07 favorite, Berg was regarded as a mere bubblegum rapper. With a debut album on deck and another pop single (his and Ray J’s “Sexy Can I”) heating up airwaves, Yung Berg calls in DJ Green Lantern and The Empire to help prove his worth as an MC on Yung Boss or Die, Vol. 1. Berg pleads his case on the aggressively paced “How You Do That,” spittin’, “Ain’t shit funny/A ...