"The energy has been incredible every night," says Journey founder Neal Schon. "Seeing these crowds sing these songs with us after all these years has been powerful" Journey ‘s Final Frontier farewell tour, which has kept them on the road steadily since kicking off in Hershey, Pennsylvania, on February 28, just grew even longer with the addition of 40 North American dates. The new leg kicks off September 12 in Los Angeles and wraps up November 28 in San Francisco.  “The energy has been incredible every night,” Journey founder/guitarist Neal Schon says in a statement. “Seeing these crowds sing these songs with us after all these years has been powerful. We’re excited to bring The Final Frontier Tour to even more cities this fall.” Unlike most of their tours in recent years, Journey are playing without any other act on the bill.…