http://www.datpiff.com/Rocky-Diamonds-Hey-Young-World-mixtape.171238.html   It seems like Rocky Diamonds has inked a deal with  Zone 4 Records. Zone 4 Records was  created as a  joint venture  between  producer   Polow da Don  and  Interscope Records .   Zone 4 (record label) Parent company Universal Music Group Founded 2007 Founder Polow da Don Distributor(s)