Topic: Beethoven Appassionata (3rd mvt)
Beethoven's sonata op 57, 3rd mvt, rendered with Pianoteq 7, Steinway model D:
https://www.youtube.com/watch?v=gQQoDCtSfeU
The score and the interpretation (nuance) are specified
using a Python-based language called Numula:
https://github.com/davidpanderson/numula/wiki