Pick the option titled "Burlesque Music"--a piece called "Sidewalk Blues". This is not Jelly Roll Morton's "Sidewalk Blues." I first heard this track when I bought a Betty Page Danger Girl CD some years back. It is quintessential film noir music.
Sidewalk Blues MP3 download | MyFreeMp3.eu
You can apparently order a free mp3 download from this site. I haven't tried since I already have it.