The circle of fifths sounds like some sort of "Lord of The Rings" council of high elves, but all this term really denotes is how major and minor scales are connected on the piano (a lot more boring than the high elf stuff, we know).
Either way, if you're a piano player who's looking to get better at music theory and at tapping out notes, it's essential to understand the circle of fifths. Learning about this will help you understand the relationship between scales and how to transpose from one scale to another.
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