I like the idea of a classic American prohibition radio newsreel announcer introducing the animation. He’s talking in cryptic terms about illegal havens of wild partying and debauchery but of course, he’s actually talking about Mushrooms. Then the music and animation starts.
The music probably predates the era of public radio by a few years or so but I don’t think it matters too much. I don’t intend for the animation to be historically accurate (scientifically accurate though!), but more to evoke the feeling of an era.
Here’s an example of the style I’d be going for:
Obscure reference, but this is only example I can think of right now where it’s used in a film. From the intro of Russ Meyer’s Faster, Pussycat! Kill Kill!
I think the animation should be in black and white, to evoke the era and the feeling of a classic animation. The Silly Symphony animation ‘The Skeleton Dance’ for example:
Where animation was in sync with the music: