This advertisement, appearing in a February 1929 Texas newspaper, shows that the language of the minstrel shows was far from dead.
"Hot dancing . . .
"See dis Strutter!
"He's jess like that. Jess like that! And he don't give a doggone whut you say 'bout his clothes.
"Louis Armstrong and His Savoy Ballroom Five are playing No. 8657
"'St. James Infirmary,' 'Save It Pretty Mama.' Fox trots."
It's interesting that, unlike the ad below, this one does not talk about the music. It does suggest, though, that if you owned this record you might very well be a real cool cat.