The modern viewer is likely to be appalled by this picture, but black-face comedy was considered a socially acceptable form of entertainment until after World War II. The pamphlet suggests that "The Brain Busters" were a series of difficult questions sent in to the duo by listeners to their radio program. "February" has been identified as Francis Quinn (one of the players in the band of Jack Amlung), and "Sugar Cane" was said to be Amlung's announcer, Conrad Brady.