20 years ago, Sundance was rocked by DIG!, Ondi Timoner’s top-of-the-range rock documentary about two Gen-X bands and their journey to alt-rock glory. Shot over nearly a decade, DIG! explores the collision of art and commerce through the star-crossed friendships and bitter rivalries of the dueling bands of the ’90s, The Dandy Warhols and The Brian Jonestown Ma.