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D#maj7(Major 7th Chord)

A major triad with a major seventh. Warm, sophisticated sound used in jazz and R&B.

Notes
D# – G – A# – D
Intervals (semitones)
0 – 4 – 7 – 11
Type
7th Chord

🎹 D#maj7 on Piano

Press highlighted keys simultaneously to play the D#maj7 chord.

R
D#(Root (R))
2
G(Major 3rd)
3
A#(Perfect 5th)
4
D(Major 7th)

🎸 D#maj7 on Guitar

The D#maj7 chord uses notes D#, G, A#, D. Build a voicing by finding these notes on any strings — root on the 6th string is a common starting point for barre chord shapes.

Interval Analysis

DegreeInterval NameSemitonesNote in D#
RootRoot (R)0D#
3rdMajor 3rd4G
5thPerfect 5th7A#
7thMajor 7th11D

About the D# Major 7th Chord

The D#maj7 chord (D# Major 7th) consists of 4 notes: D#, G, A#, D. A major triad with a major seventh. Warm, sophisticated sound used in jazz and R&B.

To build any major 7th chord, apply intervals of 0, 4, 7, 11 semitones above the root. Starting from D#: the notes land on D#, G, A#, D.

Playing D#maj7 on Piano

Press D#, G, A#, D simultaneously. In root position, D# is lowest. First inversion places G in the bass for a lighter sound; second inversion uses A# as the bass note.

Common Chord Progressions Using D#maj7

  • I–IV–V: D#maj7 – G#maj7 – A#maj7 (blues and rock)
  • I–V–vi–IV: D#maj7 – A# – Cm – G# (pop staple)
  • I–vi–IV–V: D#maj7 – Cm – G# – A# (50s progression)

The D#maj7 Chord in Context

As a major 7th chord, D#maj7 is the tonic (I) in the key of D# major. It also appears as the IV chord in A# major, and as the V chord in G# major — making it one of the most important chords across all of Western music.

Other D# Chords

D#
Major
D#m
Minor
D#7
Dominant 7th
D#m7
Minor 7th
D#dim
Diminished
D#aug
Augmented

Major 7th Chord in All 12 Keys

Cmaj7C#maj7Dmaj7D#maj7Emaj7Fmaj7F#maj7Gmaj7G#maj7Amaj7A#maj7Bmaj7
🎹 Virtual Piano
Play D#maj7 on piano
🎸 Virtual Guitar
See on the fretboard
🎵 D# Scale
Notes that fit D#maj7
🎶 Songs
Find songs using D#maj7

FAQ

D#maj7 Chord — Frequently Asked Questions

What notes are in the D#maj7 chord?
The D# Major 7th chord contains: D#, G, A#, D. These notes are derived by applying the major 7th interval formula (0–4–7–11 semitones) to the root note D#.
What is the D#maj7 chord used for?
A major triad with a major seventh. Warm, sophisticated sound used in jazz and R&B. The D#maj7 chord is used across pop, rock, jazz, and classical music. As the I chord in the key of D# major, it functions as the most stable resting point in progressions.
How do you play D#maj7 on piano?
On piano, play D#, G, A#, D simultaneously. In root position, D# is the lowest note. Inversions move the bass note up — first inversion has G lowest, second inversion has A# lowest.
How many notes are in a major 7th chord?
A major 7th chord has 4 notes: D#, G, A#, D (in D#). It is a 7th chord, extending beyond the basic triad.
What is the difference between D# major and D# minor?
The D# major chord (D#–G–A#) uses a major third (4 semitones), giving it a bright, happy sound. The D# minor chord (D#–F#–A#) uses a minor third (3 semitones), giving it a darker, emotional sound.
What key does D#maj7 belong to?
D#maj7 naturally serves as the I chord in the key of D# major. It also appears as IV in the key of A# major, and as V in the key of G# major.
Can I play D#maj7 on ukulele?
Yes. The ukulele uses GCEA tuning with 4 strings. The D#maj7 chord notes (D#, G, A#, D) can be fretted on a ukulele, though the shapes differ from guitar due to the 4-string layout and shorter scale.
What chords go well with D#maj7?
In the key of D# major, D#maj7 pairs naturally with G# major (IV), A# major (V), and Cm (vi). The classic I–IV–V (D#maj7–G#–A#) is the foundation of blues, country, and rock.
What is a chord inversion of D#maj7?
An inversion places a non-root note in the bass. D#maj7 root position: D# in bass. First inversion: G in bass. Second inversion: A# in bass. Inversions create smoother bass line movement without changing the harmony.
How do I memorize the notes in a major 7th chord?
Remember the formula: 0–4–7–11 semitones from root. For D#maj7: start on D#, add 4 semitones, then 7 semitones, then 11 semitones. Practicing this across all 12 roots builds instant recognition of any major 7th chord.