A# Diminished Guitar Arpeggio
Guitar arpeggio — fretboard diagram
A# Diminished Arpeggio — Notes and Intervals
Notes: A#, C#, E
Intervals: 1P, 3m, 5d
Formula: WH-WH
Number of notes: 3
Also known as: dim, °, o
The A# Diminished arpeggio contains 3 notes (A#, C#, E). Use the interactive fretboard diagram above to explore each arpeggio shape and pattern on Guitar. Practice ascending and descending from the root note across all strings to learn the sound of this arpeggio.
When to Use the A# Diminished Arpeggio
Play the A# Diminished arpeggio whenever a A# Diminished 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# Diminished arpeggio uses 3 notes (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 A# Diminished Arpeggio on Guitar
Root your A# Diminished arpeggio at fret 6 on the 6th (low E), or alternatively at 1st fret on the A string. With only 3 notes (A#, C#, E), this arpeggio spans wide intervals across the strings — sweep picking is an efficient way to move through it cleanly. Keep your pick angle consistent and let each note ring individually.
The A# Diminished arpeggio creates a tense, unstable sound built from minor thirds. It works over A#dim, A#dim7, A#m7b5 chords and is often used as a passing device to create dramatic tension before resolving to a stable chord.
Practice Routine — Exercises for Playing
Start by playing the A# Diminished 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# Diminished 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# Diminished in Other Tunings
- A# Diminished in Drop D (E-B-G-D-A-D)
- A# Diminished in DADGAD (D-A-G-D-A-D)
- A# Diminished in Open G (D-B-G-D-G-D)
- A# Diminished in Baritone (B Standard) (B-F#-D-A-E-B)
- A# Diminished in 7-string (E-B-G-D-A-E-B)
- A# Diminished in 8-string (E-B-G-D-A-E-B-F#)
- A# Diminished in Drop C (D-A-F-C-G-C)
- A# Diminished in Drop B (C#-G#-E-B-F#-B)
- A# Diminished in Open D (D-A-F#-D-A-D)
- A# Diminished in Half Step Down (Eb-Bb-Gb-Db-Ab-Eb)
- A# Diminished in Open E (E-B-G#-E-B-E)
- A# Diminished in Open A (E-C#-A-E-A-E)
- A# Diminished in Double Drop D (D-B-G-D-A-D)
- A# Diminished in Open C (E-C-G-C-G-C)