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A# Major Blues Scale

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

Introduction

Enharmonic equivalent: A♯ is enharmonically equivalent to B♭. See Bb Major Blues Scale Scale.

A# Major Blues Scale Notes

DegreeNameNoteInterval
1TonicA♯P1
2SupertonicCM2
3MediantC♯m3
4SubdominantDM3
5DominantFP5
6SubmediantGM6

Key Signature

The key of A# Major Blues (enharmonically equivalent to Bb Major Blues) has 2 flats.

B♭E♭

Order of flats

Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.

BEADGCF

Mnemonic: Battle Ends And Down Goes Charles’ Father

Chords in the Key of A# Major Blues Scale

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

C
D
E
F
G
A
B
C
D
E
F
G
A
B
IA♯ Major (major)
DegreeNumeralChordQuality
1IA# MajorMajor
2iiC MinorMinor
3iiiD MinorMinor
4IVD# MajorMajor
5VF MajorMajor
6viG MinorMinor
7vii°A DiminishedDiminished

A# Major Blues Scale — Frequently Asked Questions

What notes are in the A# Major Blues Scale?
The A# Major Blues Scale has six notes: A# C D E F G (plus the octave). It is the A#/Bb 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 A# 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 A# Major Blues Scale differ from the A#/Bb Minor Blues Scale?
The major blues scale (A# C D E F G) is brighter and more resolved-sounding than the minor blues scale (A# C# D# E F G#). 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 A# 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 A# Major Blues Scale and A#/Bb 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 A# Major Blues Scale?
Start with the A#/Bb 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 A#/Bb Major chord, using the major 3rd as your primary landing note and the b3 as a grace note approach.

Practice Tips

  • Start with the A#/Bb 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 A#/Bb Major chord: land on the root and major 3rd, pass through the b3 briefly for colour.
  • Compare major and minor blues scales in A#: 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.