“Yeah, it’s true: Roomrunner sounds a little bit like Nirvana. In concert, they even look a little bit like Nirvana, since guitarist/singer Denny Bowen often dresses in character, sporting era-appropriate and suspiciously Cobain-esque duds (flannel shirts, a horizontal striped sweater). There’s more to the Baltimore-based quartet's debut album, Ideal Cities, than expert Bleach homage, though. The r”