New West Music: Problem & Iamsu - Knock It Out (Prod. By Dnyc3 Of League Of Starz) [2012] #YOUNGCALIFORNIA

Here's the first leak off of Problem & IAMSU's upcoming mixtape with Dj Carsima and myself! Just a little taste of that West Coast SLAP! Make sure you stay tuned and lookout for more leaks from the Young California kids! Download Link: https://www.box.com/s/2435402f7b358c179c24