Definition of C major
C major is a major scale based on C, consisting of the pitches C, D, E, F, G, A, and B. C major is one of the most common keys used in music. Its key signature has no flats or sharps. Its relative minor is A minor and its parallel minor is C minor.
These are less common and mostly used in jazz. Changes needed for the melodic and harmonic versions of the scale are notated with accidentals as necessary. The C harmonic major and melodic major scales are:
On the piano, the C major scale can be played using only the white keys starting on C.
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Frequently asked questions
What is C major?
C major is a major scale based on C, consisting of the pitches C, D, E, F, G, A, and B. C major is one of the most common keys used in music. Its key signature has no flats or sharps. Its relative minor is A minor and its parallel minor is C minor.