The distance FM is half of the length of the chord. (The perpendicular from the centre of a circle to a chord bisects the chord.) In the diagram below, AB is the chord of a circle with centre O. OM is ...
Don't be afraid. The circle of fifths looks confusing but it's only ever here to help. And a basic understanding of what it's trying to tell you could lead you down a whole new creative superhighway.
This application is a visual and interactive representation of the Circle of Fifths, a fundamental concept in music theory that illustrates the relationships between different musical keys. It is ...