storyFreshGrass gets a big burst of the 70s as chief instigator Alison Brown strikes again with an ambitious tribute to the music of the The Band. Unforgettable gems like Up on Cripple Creek and Ophelia will get a bluegrass makeover, perhaps alongside a few songs by the likes of Joni Mitchell or Neil Young, who also appeared in the greatest-ever concert film. Introducing: The Grass’d Waltz.