Description

 "Down from the Mountain" is a documentary about a concert featuring the music from the movie "O Brother, Where Art Thou". It stars (among others):

The Cox Family
Fairfield Four
John Hartford 
Emmylou Harris 
Chris Thomas King (Tommy Johnson in the movie) 
Alison Krauss and Union Station
Colin Linden
The Peasall Sisters
Ralph Stanley
Gillian Welsh and David Rawlings
The Whites

A lot of good bluegrass!