Not being interested in artists like Bon Jovi and Jason Aldean, the long wait for Green Day after No Doubt had played at the IHeartRadio Festival was pretty painful. Not to say there weren’t any highlights. As someone accustomed to spending weekends at bar shows, it is kind of cool to admire the incredibly elaborate stage set up, complete with LED monitors bigger than any house I’ll ever own, a 180-degree rotating stage to keep the show moving swiftly and huge pyrotechnics. A cylinder stage on the opposite side of the MGM Grand made up completely of LED lights for house band Swedish House Mafia came across as a poor man’s Daft Punk pyramid but was still pretty amazing to see in person, and Usher’s smooth voice and charisma made his set a joy to watch. Between all of this a myriad of celebrities ranging from Miley Cyrus, Britney Spears, ...