Dave Brooks — Billboard Senior Director of Live Music and Touring — told The Post. “The production quality is just so far ahead of whatever has been [done] … They’re building these very elaborate sets that they’re using for several songs as opposed to the whole concert.”The price tag is also astronomical.“The cost has gotta be well north of $100 million … probably a lot more than that,” said Brooks. “It’s gonna be one of the most expensive tours ever, but it will also be one of the highest-generating tours financially.