A altered scale
The A altered scale consists of the A (Perfect unison), Bb (Minor second), C (Minor third), Db (Major third), Eb (Diminished fifth), F (Minor sixth) and G# (Major seventh) notes.

How to play the A altered scale
- Find A (Root) on the piano keyboard
- Play Bb (Minor second) — 1 semitone above A
- Play C (Minor third) — 3 semitones above A
- Play Db (Major third) — 4 semitones above A
- Play Eb (Diminished fifth) — 6 semitones above A
- Play F (Minor sixth) — 8 semitones above A
- Play G# (Major seventh) — 11 semitones above A
- Play all 7 notes in ascending order to perform the A altered scale
Chords in this scale
A chords
Bb chords
- Bb m(add2)(no5)
- Bb m(add2)
- Bb sus2(add4)
- Bb sus2
- Bb 7(sus2)
- Bb maj7(sus2)
- Bb m3
- Bb m7(add4)(no5)
- Bb minor
- Bb m7
- Bb m9
- Bb m11
- Bb m7(#9)
- Bb m7(add11)
- Bb m(maj7)
- Bb m(maj9)
- Bb m(maj11)
- Bb m(add9)
- Bb m(add11)
- Bb m7(no5)
- Bb m9(no5)
- Bb m7(#9)(no5)
- Bb m7(add11)(no5)
- Bb m(maj9)(no5)
- Bb m(maj11)(no5)
- Bb m(add9)(no5)
- Bb sus4
- Bb 7(sus4)
- Bb 11(sus4)
- Bb 5
- Bb 7(sus)
- Bb 9(sus2)
- Bb maj7(sus)
- Bb maj9(sus2)
- Bb 5(add9)
- Bb 7(no3)
- Bb maj7(no3)