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.

Piano keyboard showing the notes for the C altered scale

How to play the C altered scale

  1. Find C (Root) on the piano keyboard
  2. Play C# (Minor second) — 1 semitone above C
  3. Play D# (Minor third) — 3 semitones above C
  4. Play E (Major third) — 4 semitones above C
  5. Play F# (Diminished fifth) — 6 semitones above C
  6. Play G# (Minor sixth) — 8 semitones above C
  7. Play B (Major seventh) — 11 semitones above C
  8. Play all 7 notes in ascending order to perform the C altered scale

Chords in this scale