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C♯ Minor 7♯5

Notes: C♯ - E - G♯♯ - B | Degrees: 1 - ♭3 - ♯5 - ♭7 | Written: C♯m7♯5, C♯min7♯5

Construction: Root, Minor 3rd, Augmented 5th, Minor 7th

Fingering: RH 2-3-4-5, LH 5-4-3-2

< C Minor 7♯5 | D♭ Minor 7♯5 >

D♭ Minor 7♯5
This is the same chord as D♭ Minor 7♯5: the same keys on the keyboard, spelled with flats.

Construction

C♯ Minor 7♯5 = Root + Minor 3rd + Minor 6th + Minor 7th = C♯, E, G♯♯, B
NoteIntervalDegree
C♯Root1
EMinor 3rd♭3
G♯♯Minor 6th♯5
BMinor 7th♭7

Fingering

NoteKey colorRight handLeft hand
C♯blackindex finger (2)little finger (5)
Ewhitemiddle finger (3)ring finger (4)
G♯♯whitering finger (4)middle finger (3)
Bwhitelittle finger (5)index finger (2)

Right hand: index finger (2) on C♯, middle finger (3) on E, ring finger (4) on G♯♯, little finger (5) on B.

Left hand: little finger (5) on C♯, ring finger (4) on E, middle finger (3) on G♯♯, index finger (2) 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, E Major: 4 sharps (F♯, C♯, G♯, D♯).

F♯C♯G♯D♯

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.

FCGDAEB

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:

C1C2C3C4EC5C6C7C8C♯G♯
iC♯ Minor (minor)
DegreeNumeralChordQuality
1iC♯ MinorMinor
2ii°D♯ DiminishedDiminished
3IIIE MajorMajor
4ivF♯ MinorMinor
5vG♯ MinorMinor
6VIA MajorMajor
7VIIB MajorMajor

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.
What is the C# piano chord?
The C# piano chord (written C♯ Minor 7♯5) uses the same keys: C♯ – E – G♯♯ – B. The # and ♯ symbols name the same black key.