The Minnesota rock band gb leighton is a bona fide phenomenon in the regional music scene. Over 14 years, the group has become one of the top drawing acts in Minnesota. Rarely does a night pass when gb leighton isn't performing somewhere, usually in the Twin Cities. MPR's Chris Roberts spoke with the band's founder, Brian Leighton, about his earnest songwriting style, the band's reception among critics, and its legions of fans. He also took in a gb leighton show to witness the "phenomenon" in person.