How does music gets processed in the brain?

[Knowledge Enthusiast]

Made-made forces we also call energy. Energy gets transferred and not destroyed. What intrigues me is how moving air molecules, which we say have kinetic energy, get transferred into the electromagnetic force, in the form of action potential in the nervous system. Can you help me, please?

[Genady]

Perhaps this short video, 

https://upload.wikimedia.org/wikipedia/commons/transcoded/7/72/Journey_of_Sound_to_the_Brain.ogv/Journey_of_Sound_to_the_Brain.ogv.720p.vp9.webm 

in the Ear - Wikipedia answers your question.

(Although I don't understand the first sentence in the OP.)