Rae Sremmurd like a Vine video in musical form on 'SremmLife'

We're only a week into 2014, but already it seems unlikely that we'll hear a catch phrase this year stickier than "Unlock the swag / The swag, unlock." That's what the brothers of Rae Sremmurd, the young Southern hip-hop duo, shout - and keep shouting - throughout "Unlock the Swag," a cut from their boisterous debut album, "SremmLife," which came out Tuesday and ascended quickly to the No.