Documentarian Morgan Neville takes an appropriately lively, left-field approach to The Cool School's eye-opening history of the Beat-era Left Coast art scene a lesser-known chapter in the story of American modern art. Those who lived it tell the story of the influential Ferus Gallery, a Los Angeles outpost of scrappy artists among them Ed Kienholz and Ed Ruscha who worked blithely independent of prevailing East Coast trends. The rare footage of '50s and '60s L.A. alone is a treasure; the City of Angels has rarely looked so hip. Bonus: cool music from the likes of Charles Mingus and the Velvet Underground. A-

