The C♭ Minor 7♯5 chord is a four-note chord made up of C♭, E♭♭, G, and B♭♭.
Construction
C♭ Minor 7♯5 = Root + Minor 3rd + Minor 6th + Minor 7th = C♭ · E♭♭ · G · B♭♭
| Note | Interval | Degree |
|---|---|---|
| C♭ | Root | 1 |
| E♭♭ | Minor 3rd | ♭3 |
| G | Minor 6th | ♯5 |
| B♭♭ | Minor 7th | ♭7 |
Key Signature
A chord has no key signature of its own, but the C♭ Minor 7♯5 is the tonic (i) chord of Cb Minor, which shares the signature of its relative major, D Major — 2 sharps (F♯, C♯).
F♯C♯
Order of sharps
Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.
F♯C♯G♯D♯A♯E♯B♯
Mnemonic: Father Charles Goes Down And Ends Battle
Chords in the Key of C♭ Minor
These are the triads built on each degree of the C♭ minor scale:
Same Notes, Other Names
The notes C♭ – E♭♭ – G – B♭♭ aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell:
C♭ Minor 7♯5 — Frequently Asked Questions
What is the C♭ Minor 7♯5 chord on piano?
The C♭ Minor 7♯5 chord contains the notes C♭ – E♭♭ – G – B♭♭. On piano, play these notes together to sound the chord.