Like clothing lines, posse albums are generally seen as opportunistic ancillary revenue streams for rap superstars eager to exploit their fleeting fame. Def Jam further lowers expectations for the major-label debut of Young Jeezy's amusingly named USDA crew by stamping "The Authorized Mixtape" on its cover. Yet Cold Summer exceeds the lax standards of the posse mix-tape with a chilly blast of Jeezy and his cheddar-chasing pals' ad-lib-heavy snowman rap.