Oh, I bet you think you know it all don’t you? You’ve seen the Odd Futures. You’ve watched Yonkers. You’ve had the argument about whether saying "fag" is OK or not (even though when Cartman said it in last week’s South Park you laughed, you big fat hypocrite). You’ve played Peso at a house party. You said swag, you said trill. You’re all about the rap game and you don’t care who knows it, do you? Well BLAM. Here’s Metro Zu, one more product of the internet’s continuing cultural explosion, coming in the form of a gaggle of young rappers, producers and self-confessed "posh gangsters."