Molly and Tenbrooks - Bill Monroe and his Blue Grass Boys (December 6, 1947) (cut-off partial)

Hank Williams - My Heart Would Know - 1951 Hillbilly - MGM K11000

Which lineup of musicians established the definitive bluegrass sound known today? Bill Monroe, Earl

Marvin Rainwater - Moanin' The Blues - 1958 Rock N Roll - MGM K12665

Bill Monroe - Swing Low Sweet Chariot (1944)

Your Cheatin' Heart - Hank Williams

25Sep1982 "Hey, Good Lookin'" - Glen Campbell (The Glen Campbell Music Show)