Throughout the Midwest, from intimate coffeehouses to sprawling outdoor festivals, they've chiseled a unique niche for themselves, with a sound that nods toward Jack Johnson but with more aggressive vocals and Dave Mathews but with a tighter pop focus, plus a shot of Radiohead's willingness to take chances. Fans that range literally from six into their sixties connect with their songs, each of which bristles with catchy hooks and rides on a rush of melody.