Say you’re part of that very vocal contingent that is unmoved by, or else just plain hates, Under the Blacklight, the heavily Fleetwood Mac-ified new album from L.A. indie-twangers Rilo Kiley. Maybe you were afraid that the rapturous reception to Rabbit Fur Coat, frontwoman and chief songwriter Jenny Lewis’s solo disc from last year, would spell the end of the band. Or else that Blacklight — with its not-always-convincing depiction of sexual perversity in Los…

It doesn’t matter where they say they came from or how they were formed, one thing that will immediately draw listeners to The Roosevelt is their sound. It’s surprising to hear a new band write such polished songs with memorable hooks. Maybe there is something in the water at the building in Northwest that they’re named after. As of right now, the band’s discography consists of a handful of mp3s available on their site. But…