If ever there was a song that cemented Conrad Sewell’s voice into the fabric of modern pop, it’s Firestone. A decade since the multi-platinum smash hit with Kygo first set the charts alight, the Brisbane-born powerhouse is celebrating the best way he knows how—by taking it straight to the people. And not just any people. Sewell is hitting the road for his biggest regional Australian tour yet, swapping arenas for intimate, acoustic sets across April and May. From Coffs Harbour to Kings Beach, he’s making sure no fan is left behind. “Some of my favourite memories are from touring regional Australia,” he says. “Getting to see the country while playing…