Image Credit: Griffin Lotz for Rolling Stone

Swapmeet spent most of the past few months back home in Adelaide, where it was wintertime. “We’ve been hibernating,” says O’Broin (shown here getting comfortable during soundcheck). In September, they headed out for a tour of Australia and had a blast. “We did our first headline show in Brisbane ever, and that one was so energetic and fun,” Medlyn says. “That’s the first time a lot of people have sung each song back to us. That was the most mindblowing experience ever.”

Swapmeet

Image Credit: Griffin Lotz for Rolling Stone

Their U.S. tour, which began in Los Angeles earlier this month and continues through this weekend, has been going well, too. “Honestly, I kind of thought we were going to get a reality check after such hype at our shows in Australia, but then these shows have been mindblowing as well,” O’Broin says.…