Komogorov Complexity
Some nice views from the prsentation Komogorov Music by C. Ford.
"There's a very close relationship between the concept of expressing something concisely and understanding it.
[...]
In the paper "Analysis by Compression" by David Meridith: you can compare two ways of describing the same piece of music based on how long the descriptions are. The shortest description is the one which understands the music the best."
Entire video available here: https://www.youtube.com/watch?v=Qg3XOfioapI