As Airship Caravan, Taylor Dallman, Deion Kieley, Laura Lunde, Brady Madden and Jack Wald play alternative-indie-retro rock with a psychedelic flair. Think fat, grim, Black Sabbath bass lines and riffs that explode into Soundgarden freakouts with Pink Floyd flourishes here and there. Drums, bass, always two — and sometimes three — guitars. Kind of dark. A little spacey. Very loud.