How Did Brahms Play The Piano?

This is an independent research project I did over the last year, trying to reconstruct Brahms's performance on his famous wax cylinder recording. I'm very pleased with the results and want to share what I've found out.

References:

Brahms at the Piano by Jonathan Berger and Charles Nichols:
https://ccrma.stanford.edu/groups/edi...

Interesting history about the cylinder:
http://www.cylinder.de/resource_brahm...

My own academic writeup for this project:
https://osf.io/xq835/

Old Recordings:

Leschetizky plays Chopin Nocturne:
   • Chopin, Nocturne No 8 in D flat major...  

Pugno plays Chopin Nocturne:
   • Raoul Pugno plays Chopin Nocturne in ...  

Pugno plays Chopin Polonaise:
   • Raoul Pugno plays Chopin, Polonaise B...  

Pachmann plays Chopin Nocturnes:
   • Vladimir de Pachmann plays Chopin Noc...  

Saint-Saëns plays Beethoven:
   • Saint-Saëns plays Beethoven (Op. 31, ...