Director Naomi Nagata made her video for "On And On," a tune from Chicago sophisti-rock veterans the Sea And Cake, through a process called sand animation. I'm not really sure what that is, but it this case, it involves turning an endless sidewalk into a sinuous, weirdly hypnotic waveform. Watch it below. [videoembed size="full_width" alignment="center"][/videoembed] The Sea And Cake's album ...