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The Circle of Fifths Explained: Transposing, Key Signatures & Modulations

Understanding Clockwise Fifths & Counter-Clockwise Fourths

Moving clockwise around the Circle of Fifths adds one sharp (#) to each key signature (C -> G -> D -> A -> E). Moving counter-clockwise adds flats (b)!

Finding Relative Minor Keys

Every major key shares its exact same key signature with its relative minor key located 3 semitones lower (e.g. C Major shares key signature with A Minor).

Master Music Theory at JBX Academy

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