http://www.billboard.com/articles/events/year-in-music-2016/7616524/concert-touring-business-2016

“It definitely seems like there is a runway for growth,” says Tullo, noting that Geiger’s ­prediction of 50 percent growth feels realistic. “It’s not going to happen over the next two years, but over the next 10 years, 5 percent a year, I can see that.”