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Tomus

Scale reference

C major scale

C – D – E – F – G – A – B

The C major scale runs C, D, E, F, G, A, B and then back to C. It follows the major step pattern — tone, tone, semitone, tone, tone, tone, semitone — which is what makes it major rather than any other kind of scale.

It uses each letter name once, which is why it is written with no sharps or flats at all.

The notes

CDEFGABC
C major scale ascending, written with its key signature.
CDEFGABC
The C major scale on the keyboard, from C up to C. The tonic is the darker key.

The step pattern

Every major scale uses the same sequence of steps. Change the starting note and the pattern is what you keep.

  1. C1
    tone
  2. D2
    tone
  3. E3
    semi
  4. F4
    tone
  5. G5
    tone
  6. A6
    tone
  7. B7
    semi
  8. C8
Semitone steps fall between degrees 3–4 and 7–8.

Play it, then move it

The explorer starts on C major. Press play to hear it, touch any key, then change the starting note and watch the same pattern force different black keys. Switch to natural minor to hear the parallel minor on the same tonic.

Scale degrees

DegreeNoteNameInterval from CSemitones
1CTonicPerfect unison0
2DSupertonicMajor second2
3EMediantMajor third4
4FSubdominantPerfect fourth5
5GDominantPerfect fifth7
6ASubmediantMajor sixth9
7BLeading toneMajor seventh11

Key signature

C major is the scale of the key of C major, which has no sharps or flats. The key page lists the seven chords built on these notes.

Related

All major scales

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