Philly hitmaker Wiz Khalifa is back on a roll as of late. Aside from the rerelease 2008’s Star Power—now on streaming platforms—the 35-year-old is steady in the studio as he prepares to drop new projects. Fans have already received his long-awaited “#NeverDrinkingAgain” single, as well as a surprise track entitled “Mercury Retrograde.” Now it appears he has yet another song …