Led by local songwriter and guitarist Daniel Aaron, who once recorded and performed under the Timber moniker, Vespolina is quietly, calmly building up steam. With the band's upcoming second LP, it seems poised to reach a long-suggested potential: Ribbon Chaser is nothing short of a stunner. Aaron has all but abandoned the plaintive alt-country of his previous work, embracing instead a driving, pop-forward sound that better showcases his wry, wistful songwriting. New drummer Steve Hendriksen and bassist Daniel Ray have injected a needed dose of rhythm, and Aaron seems to have grown into his voice, which at times recalls a more animated Kurt Wagner. Vespolina will have CD copies of the new album available Friday; a vinyl release is planned this summer.