Yellow & Green is not a concept record. That said, one theme certainly leaps out: that of aging, and the ways it changes our ideas surrounding music from one stage of adulthood to the next.

Lil Wayne's taken the Wiz Khalifa-helmed, Pittsburgh Steelers anthem, "Black and Yellow," and remixed it to a Green Bay Packers' inspired track titled "Green and Yellow." By Mariel Concepcion Lil ...