The Lester Levy site has piano music for this:

https://levysheetmusic.mse.jhu.edu/performance/76951

Here you can feast your eyes on music for the serious piano player, with runs that look like a millipede with inky feet ran over the page. What are those, 64th Notes? Semidemihemimini quavers?

It's eight antiquated pages long, but I'm proud to say I found the melody, so it's the right piece of music. This may be the version that Keb just mentioned.