Maybe this is of interest - I finally was able to get the identity of the song leading off The Boswell Sisters' bouncing ball segment in "Sleepytime Down South" thanks to the music experts over at the Bix Beiderbecke forum. I asked Jerry Beck years ago and he thought it was "Tiger Rag" (which seems logical) while I thought it might be "My Pretty Girl" - a song based somewhat on "Tiger Rag". At least according to YouTube we were both wrong - it's called "Louisiana Waddle".
Go here to see "Sleepytime" with the music in question (done as a scat vocal)
and here to see "Louisiana Waddle"