Circle of Fifths
Now that I’ve written a basic introduction into major and minor keys (https://functionalanalysis.blog/2017/11/20/major-keys/ and https://functionalanalysis.blog/2017/11/20/minor-keys/ ) let’s talk a bit about how keys are related to one another. Most music that can be described as functionally tonal, where it is useful to talk about keys and functional harmonic chordal relationships, doesn’t stay in one…