D#13(#9) Guitar Chord - Guitar Chords Chart
D# thirteenth sharp nine is the full name of D#13(#9), a chord of seven notes: D#, F##, A#, C#, E##, G# and B#.
The chord is also spelled Eb13(#9), and the two names mean exactly the same sound. Two notes carry the dominant pull, the major third F## and the minor seventh C#, which sit a tritone apart. The D# Half-Whole scale contains every chord tone except the eleventh.
Like any dominant it resolves to the chord a fourth above D#. The sharp ninth E## adds extra bite on top of that pull.
D# 13th with sharp 9th guitar chord is also written as D#13(#9), D#13#9 or D#13+9.
Notes that compose the D# 13(#9) chord:
Formula of the Dominant Thirteen Sharp Ninth chord:
Formula: 1 3 5 b7 #9 11 13
D# 13(#9) Chord Interactive Fretboard
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Created by
Giancarlo is a musician (teaching guitar since 2000), software engineer, AI consultant and published researcher
FAQ
What are the notes in D#13(#9)?
D#13(#9) is D#, F##, A#, C#, E##, G# and B#. It stacks a major third, perfect fifth, minor seventh, sharp ninth, eleventh and thirteenth over D#.
Do D#13(#9) and Eb13(#9) sound identical?
Yes, they are one chord with two spellings. Eb13(#9) uses Eb, G, Bb, Db, F#, Ab and C, so it needs no double sharps.
What does the #9 mean in D#13(#9)?
It is the ninth raised by a half step, giving E##. In sound it lands where a minor third would, so the chord holds a major and a minor third flavor at once.
Which scale can I play over D#13(#9)?
The D# half-whole scale spells D#, E, E##, F##, G##, A#, B# and C#. It covers every chord tone except the eleventh, G#.
