A# Dominant Ninth Guitar Arpeggio

A# Dominant Ninth Arpeggio — Notes and Intervals

Notes: A#, D, F, G#, C

Intervals: 1P, 3M, 5P, 7m, 9M

Formula: 2W-WH-WH-2W

Number of notes: 5

Also known as: 9

The A# Dominant Ninth arpeggio contains 5 notes (A#, D, F, G#, C). Use the interactive fretboard above to explore this arpeggio on Guitar with different tunings and fret ranges.

When to Use the A# Dominant Ninth Arpeggio

Play the A# Dominant Ninth arpeggio whenever a A# Dominant 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 A# Dominant Ninth arpeggio uses 5 notes (A#, D, F, G#, C) 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 A# Dominant Ninth Arpeggio on Guitar

Root your A# Dominant Ninth arpeggio at fret 6 on the 6th (low E), or alternatively at 1st fret on the A string. This 5-note arpeggio (A#, D, F, G#, C) benefits from economy picking, combining sweep and alternate picking motions. Practice isolating two-string pairs to build coordination before linking the full shape.

The A# Dominant Ninth arpeggio outlines a dominant seventh chord, creating the tension that wants to resolve. Use it over A#7, A#9, A#13 chords, especially in blues, funk, and jazz where dominant harmony drives the groove.

Practice Routine

Start by playing the A# Dominant Ninth arpeggio ascending and descending at 60 BPM, one note per beat, using a metronome. Once even and confident, play it in eighth notes, then triplets, keeping each note articulate. Spend at least 5 minutes daily on this before moving to musical application.

Guitar Tips

Try playing the A# Dominant Ninth arpeggio on guitar by superimposing it over the corresponding A# major barre chord shape. This visual connection between chord and arpeggio helps you find arpeggio tones instantly during improvisation.

Related Resources

Explore A# Dominant Ninth in Other Tunings

• A# Dominant Ninth in Drop D (E-B-G-D-A-D)
• A# Dominant Ninth in DADGAD (D-A-G-D-A-D)
• A# Dominant Ninth in Open G (D-B-G-D-G-D)
• A# Dominant Ninth in Baritone (B Standard) (B-F#-D-A-E-B)
• A# Dominant Ninth in 7-string (E-B-G-D-A-E-B)
• A# Dominant Ninth in 8-string (E-B-G-D-A-E-B-F#)
• A# Dominant Ninth in Drop C (D-A-F-C-G-C)
• A# Dominant Ninth in Drop B (C#-G#-E-B-F#-B)
• A# Dominant Ninth in Open D (D-A-F#-D-A-D)
• A# Dominant Ninth in Half Step Down (Eb-Bb-Gb-Db-Ab-Eb)
• A# Dominant Ninth in Open E (E-B-G#-E-B-E)
• A# Dominant Ninth in Open A (E-C#-A-E-A-E)
• A# Dominant Ninth in Double Drop D (D-B-G-D-A-D)
• A# Dominant Ninth in Open C (E-C-G-C-G-C)

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