found: His Horace Heidt and his Musical Knights [SR] p1983:label (Horace Heidt) container (b. 5/21/01 at Alameda, Calif.)
found: BGMI WWW site, June 11, 2007(Horace Heidt; 1901-1986)
found: IMDb, December 11, 2018(Horace Heidt; born May 21, 1901 in Alameda, California, USA as Horace Murray Heidt; he is known for his work on Pot o' Gold (1941) and Horace Heidt and His Californians (1929), and for his 14-piece band called Horace Heidt and His Musical Knights; he died December 1, 1986 in Los Angeles, California)
found: Wikipedia, December 11, 2018(Horace Heidt; 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 during the 1930s and 1940s)