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C Major Blues Scale

C-D-E♭-E-G-A
Formula:W-H-H-A-W-A
Intervals:P1-M2-m3-M3-P5-M6

Introduction

C Major Blues Scale Notes

DegreeNameNoteInterval
1TonicCP1
2SupertonicDM2
3MediantE♭m3
4SubdominantEM3
5DominantGP5
6SubmediantAM6

Key Signature

The key of C Major Blues has no sharps or flats. Every note is natural, which makes it the easiest key signature to read on the staff.

Chords in the Key of C Major Blues Scale

These are the diatonic triads built on each degree of the C Major Blues Scale:

C
D
E
F
G
A
B
C
D
E
F
G
A
B
IC Major (major)
DegreeNumeralChordQuality
1IC MajorMajor
2iiD MinorMinor
3iiiE MinorMinor
4IVF MajorMajor
5VG MajorMajor
6viA MinorMinor
7vii°B DiminishedDiminished

C Major Blues Scale — Frequently Asked Questions

What notes are in the C Major Blues Scale?
The C Major Blues Scale has six notes: C D E F# G A (plus the octave). It is the C Major Pentatonic Scale with one added note — the b3 (blue note). This extra note gives the major blues scale its characteristic warm, soulful quality while retaining the major scale's brightness.
What is the blue note in the C Major Blues Scale?
The blue note in the major blues scale is the b3 — a flatted third that sits between the 2nd and major 3rd. It creates a slight tension against the major tonality, adding expressiveness and colour without fully moving into minor territory.
How does the C Major Blues Scale differ from the C Minor Blues Scale?
The major blues scale (C D E F# G A) is brighter and more resolved-sounding than the minor blues scale (C Eb F Gb G Bb). The major blues works best over major chords and major-key progressions, while the minor blues suits minor chords and dominant 7th chords in blues contexts.
What music uses the C Major Blues Scale?
Major blues scales are common in country, folk-blues, classic rock, and gospel music. They give melodies a warm, soulful quality over major-key chord progressions. Artists like Chuck Berry, Ray Charles, and B.B. King frequently used major blues scales alongside minor blues.
Can I use both C Major Blues Scale and C Minor Blues together?
Yes — mixing major and minor blues scales is a core technique in blues and rock improvisation. This creates the "major/minor ambiguity" that gives blues its expressive depth. A common approach: use minor blues for the I and IV chords, shift to major blues for melodic phrases over the I chord.
How do I practise the C Major Blues Scale?
Start with the C Major Pentatonic (which you may already know) and add the b3 as a passing tone. Practice using it as a brief ornament rather than a landing note. Improvise slowly over a C Major chord, using the major 3rd as your primary landing note and the b3 as a grace note approach.

Practice Tips

  • Start with the C Major Pentatonic — the major blues scale adds just one note (the b3) as a chromatic passing tone.
  • Use the b3 as a grace note — slide quickly through it to the major 3rd rather than dwelling on it.
  • Improvise over a C Major chord: land on the root and major 3rd, pass through the b3 briefly for colour.
  • Compare major and minor blues scales in C: major blues is bright and resolved, minor blues is darker and tenser.
  • Practice at very slow tempo first — the blues feel comes from how you phrase notes, not how fast you play.
  • Listen to country and classic rock solos to hear the major blues scale in action — identify that characteristic b3 grace note.