Why do music key signatures work? Is there science behind why music scales sound good only with the correct notes?

Question

Title

In: 263

Answer 1

There aren’t any correct notes. Our usual key signatures are just the collection of notes that sounded good at the time the key signatures were standardized, to the people that standardized the.

You can use math to try to reverse justify their decisions but it’s really a wag the dog type situation.

Other cultures have different scale patterns based on the instruments they had and what sounded good to the.