For the past few years, Pittsburgh’s Wiz Khalifa has been picking up steam in his hometown. Thanks to his crafty lyrics and suave demeanor, displayed on his Prince of the City (2006) and Show and Prove (2007) mixtapes, the 19-year-old is finally making some national headway. With DJ Green Lantern riding shotgun on his latest, Grow Season, Wiz pleads his case for being hip-hop’s next golden child. With an arsenal of intricate rhymes and wordplay, Wiz goes in on the smooth “Grow,” spittin’, “I’m the best that did it and the best that still doing it/Prince of the city, I’m showin’ ...