The Almanac Singers, The Golden Gate Quartet, The Southern Sons Quartet, Jazz Gillum, The Florida Kid, Brownie McGhee, Josh White, Woody Guthrie, Buster 'Buzz' Ezell, Son House, Four Vagabonds, Spike Jones & His City Slickers, Sam Browne & The Six Swingers, Paul And His Orchestra Baron, Leadbelly, R