Stanley Brothers

John Turturro, Tim Blake Nelson and George Clooney run through a field in a scene from the film 'O Brother, Where Art Thou?', 2000. (

'I Am a Man of Constant Sorrow': The Story Behind the 'O Brother, Where Art Thou' Soundtrack's Signature Song

LAVONIA, GA - JULY 28: Mandolinist and singer Bill Monroe, often called The Father of Bluegrass, performs with his band The Bluegrass Boys at the Lavonia Bluegrass Festival at Shoal Creek Country Music Park on July 28, 1973 in Lavonia, Georgia.

The Evolution of 20th Century Bluegrass in 12 Songs

Sturgill Simpson Bluegrass

Sturgill Simpson Plays Bluegrass Set at the Ryman, Teases New Albums