Taylor Neary vaguely traces the rise of the club DJ from record spinner to main attraction, but ultimately his 2005 video documentary offers nothing new. Trafficking in threadbare cliches—David Morales claims he plays only music that “touches my soul”—the video delivers an endless barrage of talking-head interviews from more than three dozen DJs. Though peppered with bits of history, technical explanations, and panic over digital downloads, this seems like one long riff on Indeep’s single “Last Night a DJ Saved My Life.” 84 min.