Roots of Nitty Gritty Dirt Band

Jerry Jeff Walker was an American country and folk singer-songwriter. He was a leading figure in the progressive country and outlaw country music movement. He is best known for writing the 1968 song "Mr. Bojangles".

Sonny Curtis was an American singer and songwriter. Known for his collaborations with Buddy Holly, he was a member of the Crickets and continued with the band after Holly's death in 1959. He is a member of three music Halls of Fame including the Rock and Roll Hall of Fame.

James Henry Martin was an American bluegrass singer and musician, known as the "King of Bluegrass".