Xlnt minor key glissandos by that wild man Cab Calloway!
the words "insane animation" in the thread title evaporated any self-restraint I had, so... I re-post this>
If short attention span, jump up to 0:44
One of my favorite cartoons ever. Not particularly pc, but a cool work of art.
When I was a kid (1950's) there was a local TV show called Uncle Jimmy's Clubhouse and they used to show cartoons. I don't think they paid much attention to the content, but over the course of a couple years my sisters and I saw just about every Betty Boop cartoon. Warped me for life haha.