C Major Scale
Notes of the C Major Scale on a piano keyboard and in ascending order on a staff:

C Major Key Signature
The key signature of C major scale has no sharp or flat. All notes in the C major scale are natural notes.
C major scale is the relative major of A minor scale. C major and A minor scales have the same key signature.

C Major Diatonic Chords
These are the seven major scale diatonic chords that come from the C major scale:

I – C E G (C major chord).
ii – D F A (D minor chord).
iii – E G B (E minor chord).
IV – F A C (F major chord).
V – G B D (G major chord).
vi – A C E (A minor chord).
viiº– B D F (B diminished chord).

These are the chords that are diatonic to the C major scale. They make a harmonic sound for music in the C major key.
Piano Chords and Scales Posters
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