For a band named after the Hawaiian word for "hello," Aloha seemed a little shy during their too-brief opening set for the Velvet Teen on Tuesday night. But the scrawny indie kids were confident about their musicianship, which was impressive indeed. The band played with a blend of Death Cab For Cutie's melodic sense and the Sea and Cake's jazzy virtuosity, with drummer Cale Parks unleashing a torrent of polyrhythms from his lightning-like hands.......