Lower Dens @ Hype Hotel (I Guess I'm Floating) 3/16/12: On their forthcoming album Nootropics, this Baltimore band's twinkling guitar-driven dream-rock makes a big step toward synthetic Stereolab-informed motorik, a sound that works amazingly well on record. In a setting like this one, where the band had to compete with the conversational din you'll naturally hear in a place were ...