It's not a story, but Charles Darwin's "The Origin of Species" would be a good musiacal, in my humble opinion.
Evolution by Natural Selection by Bullet Magnet
What would you do if I out-evolved you,
Would you crawl off and die out on me?
Lend me your niche and I’ll eat all your food,
And compete for the things that you need.
Oh I get by with a little help from my genes,
I survive with a little help from my genes,
You will die with a little help from my genes.
How can you live when you cannot compete
Can you not win over the rest?
Soon all your kind shall be gone from the Earth,
I have proven that I am the best.
Yes! I get by with a little help from my genes,
I can fly with a little help from my genes,
Will reside with a little help from my genes
Do you need a theory?
I need a theory of life.
Try natural selection!
Darwin’s theory of life.
Now I can breed and produce many young,
My offspring will be a success.
Sadly your numbers begin to dwindle,
Your line has met its recess.
I get by with a little help from my genes,
Ramify with a little help from my genes,
Multiply with a little help from my genes
Do you need a theory?
We have a theory for life.
Evolution by selection.
Darwin’s theory of life.
Oh we get by with a little help from our genes;
We survive with a little help from our genes,
We abide with a little help from our genes,
Yes! We will thrive with a little help from our genes,
With a little help from our genes!
What do you think?
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