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Chord · Reference entry
D 13sus4
13sus4 · D – G – A – C – E – B · intervals P1-P4-P5-m7-M9-M13
The D 13sus4 chord (D13sus4) contains the notes D, G, A, C, E, and B. Its interval formula is R-P4-P5-m7-M9-M13. A dominant 13th with the 3rd replaced by the 4th — open and modal, common in spiritual jazz.
Maintained for accuracy · Last updated July 2026 · How we review
Flashcards · Chord
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D13sus4
The D 13sus4 chord is a six-note chord made up of D, G, A, C, E, and B. It is built from a root, perfect fourth, perfect fifth, minor seventh, major ninth, and major thirteenth.
Construction
D 13sus4 = Root + Perfect 4th + Perfect 5th + Minor 7th + Major 2nd + Major 6th = D · G · A · C · E · B
Note
Interval
Degree
D
Root
1
G
Perfect 4th
11
A
Perfect 5th
5
C
Minor 7th
♭7
E
Major 2nd
9
B
Major 6th
13
Key Signature
A chord has no key signature of its own, but the D 13sus4 is the tonic (I) chord of D Major, whose key signature has 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 D Major
These are the triads built on each degree of the D major scale:
The notes D – G – A – C – E – B aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell:
Keep going with the 13sus4 chord — these pages cover the underlying theory, the connected reference material, and the practice tools that work with this chord.
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.