That shows that even an instro can have a story.
Everybody can build his/her own interpretation.
The way it is done is something like a modern Beethoven style.
The two main themes are presented in the beginning, then the chase starts and then very short parts of each time, the slow one gets more powerful each time and in the end itīs something like a union between both of them together, the good and the bad(or bat?

)
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