April 21 Aaron Lewis Harrah’s Convention Center, 1 Harrah’s Way, Council Bluffs, IA $30 ADV / $35 DOS, 8 p.m., harrahscouncilbluffs.com, 712.329.6000 Aaron Lewis was born in Vermont and raised in Massachusetts. So if there’s one thing the vocalist from monkey-metal band Staind knows, it’s about being a country boy. He tells us about his dirt road living in suburban Springfield, Mass., in his song “Country Boy,” which also addresses political views to the right of Ted Nugent. But hey, George Jones and Charlie Daniels bought into it, or at least the paychecks Stroudavarious Records cut for them. And maybe you do, too, or maybe early aughts bro-metal is your thing. Either way, see the multi-facted ways Aaron Lewis makes a living inside Harrah’s Casino’s Convention Center.