Biography: ​From Wikipedia, the free encyclopedia. Horace Heidt (May 21, 1901–December 1, 1986) was an American pianist, big band leader, and radio and television personality. His band, Horace Heidt and His Musical Knights, toured vaudeville and performed on radio and television through the 1930s and 1940s. Description above from the Wikipedia article Horace Heidt, licensed under CC-BY-SA, full list of contributors on Wikipedia