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 |
Fingering
| Note | Key color | Right hand | Left hand |
|---|---|---|---|
| C♭ | white | thumb (1) | little finger (5) |
| E♭♭ | white | index finger (2) | middle finger (3) |
| G | white | middle finger (3) | index finger (2) |
| B♭♭ | white | little finger (5) | thumb (1) |
Right hand: thumb (1) on C♭, index finger (2) on E♭♭, middle finger (3) on G, little finger (5) on B♭♭.
Left hand: little finger (5) on C♭, middle finger (3) on E♭♭, index finger (2) on G, thumb (1) on B♭♭.
Key Signature
A chord has no key signature of its own, but the C♭ Minor 7♯5 is the tonic (i) chord of C♭ 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 C♭ Minor:
| Degree | Numeral | Chord | Quality |
|---|---|---|---|
| 1 | i | C♭ Minor | Minor |
| 2 | ii° | D♭ Diminished | Diminished |
| 3 | III | E♭♭ Major | Major |
| 4 | iv | F♭ Minor | Minor |
| 5 | v | G♭ Minor | Minor |
| 6 | VI | A♭♭ Major | Major |
| 7 | VII | B♭♭ Major | Major |
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.