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Chord · Reference entry

D♯ Major

Major · D♯ – F♯♯ – A♯ · intervals P1-M3-P5

The D♯ Major chord contains the notes D♯, F♯♯, and A♯. Its interval formula is R-M3-P5. The brightest and most stable triad — the foundation of nearly every Western song.

E♭ Major
This is the same chord as E♭ Major — the same keys on the keyboard, spelled with flats.

At the keyboard

D# · F## · A#
Flashcards · Chord
Three questions on D♯ Major
Answer on the keyboard, not with buttons. No login required.
D♯

The D♯ Major chord is a three-note chord made up of D♯, F♯♯, and A♯. It is built from a root, major third, and perfect fifth.

Construction

D♯ Major = Root + Major 3rd + Perfect 5th = D♯ · F♯♯ · A♯
NoteIntervalDegree
D♯Root1
F♯♯Major 3rd3
A♯Perfect 5th5

How to Play the D♯ Major

Right Hand (RH)

Place your right hand over the keys with the thumb on the root. Use the fingering: 1 – 3 – 5

Left Hand (LH)

For the left hand, start with your pinky on the root. Use the fingering: 5 – 3 – 1

D♯ Major Inversions

D# Major piano chord, 1st inversion — Fx, A♯, D♯
The D# Major chord, 1st inversion, on a piano keyboard.
D# Major piano chord, 2nd inversion — A♯, D♯, Fx
The D# Major chord, 2nd inversion, on a piano keyboard.
PositionNotes
Root PositionD♯ – F♯♯ – A♯
1st InversionF♯♯ – A♯ – D♯
2nd InversionA♯ – 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.

BEADGCF

Mnemonic: Battle Ends And Down Goes Charles’ Father

Chords in the Key of D♯ Major

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

C1C2C3C4GC5C6C7C8D#A#
ID♯ Major (major)
DegreeNumeralChordQuality
1ID♯ MajorMajor
2iiF MinorMinor
3iiiG MinorMinor
4IVG♯ MajorMajor
5VA♯ MajorMajor
6viC MinorMinor
7vii°D DiminishedDiminished

Common D♯ Major Progressions

Pick a progression and press play. Change the key to hear it anywhere — every chord is built from the same theory as the chord pages, so the notes always agree.

Version
Notation
C1C2C3C4GC5C6C7C8D#A#
ID#
80 BPM
Root-position blocks move in leaps. Voice leading holds the common tones and steps the rest —

The most fundamental major progression — the I, IV and V chords. The backbone of countless folk, country, blues and rock songs.

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 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.

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References & Further Reading

The note names, intervals, fingering, and harmony on this chord page are grounded in the following sources. Public domain treatises and scores are linked to their full text; primary data is piano.org's own interval-derived reference dataset — continuously maintained and human-verified, with no fixed publication date.

  1. 1

    Jadassohn, Salomon(1883)

    A Manual of Harmony

    Public domain treatise
  2. 2

    Prout, Ebenezer(1889)

    Harmony: Its Theory and Practice

    Public domain treatise
  3. 3

    Goetschius, Percy(1889)

    The Material Used in Musical Composition

    Public domain treatise
  4. 4

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