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- The Kate Smith A&P Bandwagon (1936, CBS, 8-9:00 p.m. Thursdays)
- The Kate Smith Hour (1930–1958)
- Kate Smith's Coffee Time (1935, CBS, 7:30-7:45 p.m. Tuesday-Thursday)
- Kay Kyser's Kollege of Musical Knowledge (1938–1949)
- King Biscuit Flower Hour (1973–present)
- Korn’s-A-Krackin’ (KWTO and Mutual, 1940s)
- Kraft Music Hall (1933–1949)
Read more about this topic: List Of U.S. Radio Programs