Even more surprising, in 1945 the band recorded Mary Lou Williams's catchy novelty tune "Satchel Mouth Baby" a track being released for the first time in the current package in which an unidentified entertainer delivers a full blown rap, which includes lines like "I laid a sound on this little quail that busted her nappy patch!"
WSJ: Fatha Played Well With Others | Earl Hines | By Will Friedwald