D♯/E♭ Major Chord on Piano: Notes, Fingering & Inversions

Root position: either hand, fingers low note to high
Hand	Notes	Fingers
Right	D♯, F×, A♯	1-3-5
Left	D♯, F×, A♯	5-3-1

Scale degree, note, and interval measured from the root.
Degree	Note	Interval from root	Semitones
1	D♯	Perfect unison	0
3	F×	Major third	4
5	A♯	Perfect fifth	7

Construction

D♯ Major = Root + Major 3rd + Perfect 5th = D♯, F♯♯, A♯

Note	Interval	Degree
D♯	Root	1
F♯♯	Major 3rd	3
A♯	Perfect 5th	5

Fingering

Note	Key color	Right hand	Left hand
D♯	black	thumb (1)	little finger (5)
F♯♯	white	middle finger (3)	middle finger (3)
A♯	black	little finger (5)	thumb (1)

Right hand: thumb (1) on D♯, middle finger (3) on F♯♯, little finger (5) on A♯.

Left hand: little finger (5) on D♯, middle finger (3) on F♯♯, thumb (1) on A♯.

D♯ Major Inversions

Root position
D♯ – F♯♯ – A♯
1st inversion (D♯/F♯♯)
F♯♯ – A♯ – D♯
2nd inversion (D♯/A♯)
A♯ – D♯ – F♯♯

Key Signature

A chord has no key signature of its own, but the D♯ Major is the tonic (I) chord of D♯ Major, whose key signature has 3 flats (B♭, E♭, A♭).

B♭E♭A♭

Order of flats

Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.

B♭E♭A♭D♭G♭C♭F♭

Mnemonic: Battle Ends And Down Goes Charles’ Father

Chords in the Key of D♯ Major

These are the triads built on each degree of D♯ Major:

I — D♯ Major (major)

Degree	Numeral	Chord	Quality
1	I	D♯ Major	Major
2	ii	E♯ Minor	Minor
3	iii	F♯♯ Minor	Minor
4	IV	G♯ Major	Major
5	V	A♯ Major	Major
6	vi	B♯ Minor	Minor
7	vii°	C♯♯ Diminished	Diminished

Scales That Include the D♯ Major

Ab Major (V)
Eb Major (I)
Bb Major (IV)
G Minor (VI)
C Minor (III)
F Minor (VII)
Bb Dorian (IV)
C Phrygian (III)

D♯ Major : Frequently Asked Questions

What is the D♯ Major chord on piano?

The D♯ Major chord contains the notes D♯ – F♯♯ – A♯. On piano, play these notes together to sound the chord.

What is the D# piano chord?

The D# piano chord (written D♯ Major) uses the same keys: D♯ – F♯♯ – A♯. The # and ♯ symbols name the same black key.

What notes make up the D# Major chord?

D# Major contains three notes: D# (root), F## (major third), and A# (perfect fifth). F## (F double-sharp) is enharmonically G on the piano. D# Major is enharmonically equivalent to Eb Major.

What fingering do I use for D# Major?

Right hand: finger 2 on D#, finger 3 on F##/G, finger 4 on A#. Left hand: finger 3 on D#, finger 2 on G, finger 1 on A#. In practice, pianists read and play this as Eb Major (Eb–G–Bb) since the notation is identical on the keyboard.

Is D# Major commonly used?

D# Major is theoretically valid but almost never used in written music because its key signature requires double sharps (F##), which are extremely awkward to read. Composers invariably choose Eb Major instead (enharmonically identical, uses only Eb, Ab, and Bb as alterations).

What is the relationship between D# Major and Eb Major?

They are enharmonic equivalents: the same piano keys, different notation. D# Major requires double sharps and 6 sharps in its key signature. Eb Major uses 3 flats (Eb, Ab, Bb). In all real-world piano playing, Eb Major is used exclusively.

What songs would use D# Major?

In practice, no published piano music is written in D# Major: all such pieces use Eb Major notation. Songs that would "be in D# Major" are published as Eb Major: My Funny Valentine, Misty, and countless jazz standards.

Do I need to practise D# Major separately from Eb Major?

No: since D# and Eb are the same physical keys on the piano, practising Eb Major fully covers D# Major. The only difference is a notation convention you will encounter only in advanced theoretical study, not in practical piano playing.

D♯ Major in detail

Exact

Every pitch class is present and nothing outside the chord is added.

Type	Notes	Semitones	Span	Omissions and additions	Set relation
Close, root position	D♯3 F×3 A♯3	7	96 mm	none	identical
Close, first inversion	F×3 A♯3 D♯4	8	110 mm	none	identical
Close, second inversion	A♯3 D♯4 F×4	9	124 mm	none	identical
Open, fifth on top	D♯2 A♯2 F×3	16	220 mm	none	identical

Reduced

A subset of the pitch classes: the identity is incomplete rather than altered.

Type	Notes	Semitones	Span	Omissions and additions	Set relation	Fit
Root and third only	D♯3 F×3	4	55 mm	omits A♯	subset

Spans are measured centre to centre at a 165 mm octave (standard keyboard geometry).

Position	Bass note	Notes in order	Figured bass	Semitones	Span
Root position	D♯	D♯3, F×3, A♯3	5/3	7	96 mm
First inversion: D♯/F×	F×	F×3, A♯3, D♯4	6/3	8	110 mm
Second inversion: D♯/A♯	A♯	A♯3, D♯4, F×4	6/4	9	124 mm

One position per chord tone in the bass. Spans are for close position: voiced inversions appear under Voicings.

Progression	Key	Role	Sequence	Voice leading
♭III, ♭VI, ii°, v	C minor	♭III	E♭ to A♭ to Ddim to Gm	D♯ opens the phrase
i, ♭III	C minor	♭III	Cm to E♭	2 tones held from Cm
ii, V, I	E♭ major	I	Fm to B♭ to E♭	1 tone held from B♭
IV, I	E♭ major	I	A♭ to E♭	1 tone held from A♭
I, vi, ii, V	E♭ major	I	E♭ to Cm to Fm to B♭	D♯ opens the phrase
♭VII, i	F minor	♭VII	E♭ to Fm	D♯ opens the phrase
♭VI, iv, i, v	G minor	♭VI	E♭ to Cm to Gm to Dm	D♯ opens the phrase
i, ♭VI	G minor	♭VI	Gm to E♭	2 tones held from Gm

Root motion, common tones and voice displacement are computed from pitch class sets. Roman numerals follow common practice functional harmony.

Which keys it belongs to

Key	Roman numeral	Function
C minor	♭III	Relative-major color
E♭ major	I	Tonic, home
F minor	♭VII	Subtonic
G minor	♭VI	Pre-dominant color
A♭ major	V	Dominant, wants to resolve
B♭ major	IV	Subdominant, away from home

Classification system: common-practice functional harmony.

Change one note

Chords a single note away, and what moving that note does.

Chord	Change	Formula	Common tones
D♯maj7	adds C×	1 3 5 7	3
D♯7	adds C♯	1 3 5 ♭7	3
D♯6	adds B♯	1 3 5 6	3
D♯add9	adds E♯	1 3 5 9	3
D♯m	F× becomes F♯	1 ♭3 5	2
D♯aug	A♯ becomes A×	1 3 ♯5	2
D♯sus2	F× becomes E♯	1 2 5	2
D♯sus4	F× becomes G♯	1 4 5	2
D♯m7	F× becomes F♯, C♯	1 ♭3 5 ♭7	2
D♯mMaj7	F× becomes F♯, C×	1 ♭3 5 7	2
D♯aug7	A♯ becomes A×, C♯	1 3 ♯5 ♭7	2
D♯7sus4	F× becomes G♯, C♯	1 4 5 ♭7	2

Frequencies

Note	MIDI	Frequency
D♯3	51	155.56 Hz
F×3	55	196.00 Hz
A♯3	58	233.08 Hz

Reference pitch A440, 12-TET, close root position.

Set theory: prime form, Forte number, interval vector

Absolute pitch class set: {3, 7, 10}
Normal order: [3, 7, 10]
Prime form: (037)
Forte number: 3-11
Interval vector: <001110>

Pair	Interval	Semitones	Interval class
D♯ to F×	Major third	4	4
D♯ to A♯	Perfect fifth	7	5
F× to A♯	Minor third	3	3

Where these facts come from

Every value on this page is derived from the note formula for a major applied to the root D♯, using standard music theory. Nothing here is hand-entered per chord, so the notes, intervals, inversions and frequencies cannot drift out of agreement with each other. Pitches assume 12-TET at A440.

D♯ Major

Fingerings

D♯ Major: notes and degrees