Trace the roots and branches of bluegrass in this splendid documentary. From clog dancers to cowboys, gospel choirs to country hoedowns, mountain ballads to Western swing, honky-tonksto the Grand Ole Opry-bluegrass is a real slice of rural America. Meet the old timers: Bill Monroe, Lester Flatt, Earl Scruggs, the Osborne Brothers, and more, then see how bluegrass experienced a big revival that spread worldwide. Fascinating narrative, with priceless vintage footage and music. 95 min.