D# Dominant Flat Ninth Guitar Arpeggio
Guitar arpeggio — fretboard diagram
D# Dominant Flat Ninth Arpeggio — Notes and Intervals
Notes: D#, G, A#, C#, E
Intervals: 1P, 3M, 5P, 7m, 9m
Formula: 2W-WH-WH-WH
Number of notes: 5
Also known as: 7b9
The D# Dominant Flat Ninth arpeggio contains 5 notes (D#, G, A#, C#, E). Use the interactive fretboard above to explore this arpeggio on Guitar with different tunings and fret ranges.
When to Use the D# Dominant Flat Ninth Arpeggio
Play the D# Dominant Flat Ninth arpeggio whenever a D# Dominant Flat Ninth chord appears in a progression. Unlike scales (which include passing tones), arpeggios guarantee every note you play IS a chord tone, making your solo sound harmonically precise and intentional.
Arpeggio vs. Scale
The D# Dominant Flat Ninth arpeggio uses 5 notes (D#, G, A#, C#, E) while the full scale uses 7. The arpeggio is a subset — think of it as the skeleton of the scale. Practice alternating between the arpeggio and the full scale to develop a melodic vocabulary that mixes chord tones with passing tones.
How to Play D# Dominant Flat Ninth Arpeggio on Guitar
Root your D# Dominant Flat Ninth arpeggio at fret 11 on the 6th (low E), or alternatively at 6th fret on the A string. This 5-note arpeggio (D#, G, A#, C#, E) benefits from economy picking, combining sweep and alternate picking motions. Practice isolating two-string pairs to build coordination before linking the full shape.
The D# Dominant Flat Ninth arpeggio outlines a dominant seventh chord, creating the tension that wants to resolve. Use it over D#7, D#9, D#13 chords, especially in blues, funk, and jazz where dominant harmony drives the groove.
Practice Routine
Practice the D# Dominant Flat Ninth arpeggio in different octaves, starting low and working up. Then try displacing the octaves — play the root low, the G an octave higher, and continue leaping. This trains your ear to hear the intervals (1P, 3M, 5P, 7m, 9m) in any register.
Guitar Tips
On guitar, practice the D# Dominant Flat Ninth arpeggio using string skipping — jump over a string between each note to create wider intervals. This technique produces a more pianistic, open sound compared to sweep picking and develops precise right-hand accuracy.
Related Resources
Explore D# Dominant Flat Ninth in Other Tunings
- D# Dominant Flat Ninth in Drop D (E-B-G-D-A-D)
- D# Dominant Flat Ninth in DADGAD (D-A-G-D-A-D)
- D# Dominant Flat Ninth in Open G (D-B-G-D-G-D)
- D# Dominant Flat Ninth in Baritone (B Standard) (B-F#-D-A-E-B)
- D# Dominant Flat Ninth in 7-string (E-B-G-D-A-E-B)
- D# Dominant Flat Ninth in 8-string (E-B-G-D-A-E-B-F#)
- D# Dominant Flat Ninth in Drop C (D-A-F-C-G-C)
- D# Dominant Flat Ninth in Drop B (C#-G#-E-B-F#-B)
- D# Dominant Flat Ninth in Open D (D-A-F#-D-A-D)
- D# Dominant Flat Ninth in Half Step Down (Eb-Bb-Gb-Db-Ab-Eb)
- D# Dominant Flat Ninth in Open E (E-B-G#-E-B-E)
- D# Dominant Flat Ninth in Open A (E-C#-A-E-A-E)
- D# Dominant Flat Ninth in Double Drop D (D-B-G-D-A-D)
- D# Dominant Flat Ninth in Open C (E-C-G-C-G-C)