Wiz Khalifa is about to extend his influence once again when he hits the road this summer. On Saturday , April 20th, Khalifa announced the lineup and dates for his upcoming Under the Influence of Music Tour, and it looks to be a good one. A$AP Rocky, B.o.B., Trinidad James, Joey Bada$$, Pro Era, Smoke … More Wiz Khalifa Joins A$AP Rocky, B.o.B. For 2013 Under The Influence of Music Tour