Conversation so far:
Who made the music for Pinky and the Brain?
Richard Stone.
Did Richard Stone create the music for Pinky and the Brain?
Yes
Are there any other interesting aspects about Pinky and the Brain's article?
The Pinky and the Brain score sometimes includes references to classical music.
Any notable pieces?
In the episode where the Brain builds a new Papier-mâché Earth, the 2nd and 4th movements of Antonín Dvořák's New World Symphony can be heard throughout the episode.

Question: Are there additional references like that?
Self-contained rewrite: Are there additional references like that in Pinky and the Brain?