The Circle of Fifths

The image above is known as the Circle of Fifths. It is a "circle" of the 12 tones of the western chromatic scale, and it demonstrates, geometrically, relationships between the different pitch classes of the chromatic scale. Each scale has a key signature, which tells which notes are a semi-tone lower (flats) or a semi-tone higher (sharps). The Circle of Fifths is interesting because it based upon intrinsic mathematical ratios between the 12 notes of the chromatic scale.

Try Listening to These Scales!

C Scale

G Scale

D Scale

Audio Source: Casio Privia PX-850 Digital Piano (Line in)

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