Problem (@ItsaPROBLEM) Ft. IamSu (@IAMSU) – Knock It Out (Prod. by Dnyce of League Of Starz)

One of LA’s rising Hip Hop artist, Problem released his new track Knock It Out which features another California native IamSu. Download/Listen to Problem Ft. IamSu – Knock It Out below. [audio src="http://www.HipHopSince1987.com/wp-content/uploads/2012/07/Problem-IamSu-Knock-It-Out-Prod.-by-Dnyce-of-League-Of-Starz-HotNewHipHop.mp3" options="controls"