A altered scale
The A altered scale consists of the A (Perfect unison), A# (Minor second), C (Minor third), C# (Major third), D# (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 A# (Minor second) — 1 semitone above A
- Play C (Minor third) — 3 semitones above A
- Play C# (Major third) — 4 semitones above A
- Play D# (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
A# chords
- A# m(add2)(no5)
- A# m(add2)
- A# sus2(add4)
- A# sus2
- A# 7(sus2)
- A# maj7(sus2)
- A# m3
- A# m7(add4)(no5)
- A# minor
- A# m7
- A# m9
- A# m11
- A# m7(#9)
- A# m7(add11)
- A# m(maj7)
- A# m(maj9)
- A# m(maj11)
- A# m(add9)
- A# m(add11)
- A# m7(no5)
- A# m9(no5)
- A# m7(#9)(no5)
- A# m7(add11)(no5)
- A# m(maj9)(no5)
- A# m(maj11)(no5)
- A# m(add9)(no5)
- A# sus4
- A# 7(sus4)
- A# 11(sus4)
- A# 5
- A# 7(sus)
- A# 9(sus2)
- A# maj7(sus)
- A# maj9(sus2)
- A# 5(add9)
- A# 7(no3)
- A# maj7(no3)