As Martin , Bogan and Armstrong , they also performed at the 1933 World 's Fair in Chicago .
Adding guitarist Ted Bogan , the band toured as part of a medicine show and backed blues musicians such as Big Bill Broonzy and Memphis Minnie .
As Martin , guitarist and Armstrong , blues musicians also performed at the 1933 World 's Fair in Chicago .
Adding guitarist Ted Bogan , the band toured as part of a medicine show and backed blues musicians such as Big Bill Broonzy and Memphis Minnie .