Major Bowes' Amateur Hour was the American Idol of 1930s and 40s radio

And the winner of the first year was…

In 1935, the first year of radio network broadcasts of Major Bowes’ Amateur Hour, more than thirty thousand acts auditioned for the talent contest program. One of the successful acts was the “Hoboken Four.” The vocal quartet auditioned as “Frank Sinatra and the 3 Flashes,” but was renamed, purportedly by Major Bowes himself. The act won the competition of the September 8, 1935, broadcast and joined one of Major Bowes’s traveling vaudeville units. Sinatra soon left the tour to strike out on his own.

 Library of Congress