Some other good ones:

Art Stamper (Louisville, Kentucky, 1933-2005)

Fred Stoneking (son of Lee Stoneking, another good old Missouri fiddler

Rayna Gellert

Vigortone Records (Midwestern fiddle music, Illinois/Missouri)

Balfa Toujours & the Red Stick Ramblers: Cajun, both with Kevin Wimmer on fiddle.