C altered scale
The C altered scale consists of the C (Perfect unison), C# (Minor second), D# (Minor third), E (Major third), F# (Diminished fifth), G# (Minor sixth) and B (Major seventh) notes.

How to play the C altered scale
- Find C (Root) on the piano keyboard
- Play C# (Minor second) — 1 semitone above C
- Play D# (Minor third) — 3 semitones above C
- Play E (Major third) — 4 semitones above C
- Play F# (Diminished fifth) — 6 semitones above C
- Play G# (Minor sixth) — 8 semitones above C
- Play B (Major seventh) — 11 semitones above C
- Play all 7 notes in ascending order to perform the C altered scale
Chords in this scale
C chords
C# chords
- C# m(add2)(no5)
- C# m(add2)
- C# sus2(add4)
- C# sus2
- C# 7(sus2)
- C# maj7(sus2)
- C# m3
- C# m7(add4)(no5)
- C# minor
- C# m7
- C# m9
- C# m11
- C# m7(#9)
- C# m7(add11)
- C# m(maj7)
- C# m(maj9)
- C# m(maj11)
- C# m(add9)
- C# m(add11)
- C# m7(no5)
- C# m9(no5)
- C# m7(#9)(no5)
- C# m7(add11)(no5)
- C# m(maj9)(no5)
- C# m(maj11)(no5)
- C# m(add9)(no5)
- C# sus4
- C# 7(sus4)
- C# 11(sus4)
- C# 5
- C# 7(sus)
- C# 9(sus2)
- C# maj7(sus)
- C# maj9(sus2)
- C# 5(add9)
- C# 7(no3)
- C# maj7(no3)
D# chords
E chords
F# chords
G# chords
- G# m3
- G# m7(add4)(no5)
- G# minor
- G# m7
- G# m7(#9)
- G# m7(add11)
- G# m7(b13)
- G# m(add11)
- G# m(#5)
- G# m7(#5)
- G# m7(alt)
- G# m7(no5)
- G# m7(#9)(no5)
- G# m7(add11)(no5)
- G# 3
- G# major
- G# 7
- G# 7(#9)
- G# 7(add11)
- G# 7(b13)
- G# add11
- G# aug
- G# 7(#5)
- G# 7(alt)
- G# 7(no5)
- G# 7(#9)(no5)
- G# 7(add11)(no5)
- G# sus4
- G# 7(sus4)
- G# 11(sus4)
- G# 5
- G# 7(sus)
- G# 7(no3)