G Diminished Guitar Arpeggio

G Diminished Arpeggio — Notes and Intervals

Notes: G, Bb, Db

Intervals: 1P, 3m, 5d

Formula: WH-WH

Number of notes: 3

Also known as: dim, °, o

The G Diminished arpeggio contains 3 notes (G, Bb, Db). Use the interactive fretboard above to explore this arpeggio on Guitar with different tunings and fret ranges.

When to Use the G Diminished Arpeggio

Play the G Diminished arpeggio whenever a G 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 G Diminished arpeggio uses 3 notes (G, Bb, Db) 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 G Diminished Arpeggio on Guitar

Root your G Diminished arpeggio at fret 3 on the 6th (low E), or alternatively at 10th fret on the A string. With only 3 notes (G, Bb, Db), 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 G Diminished arpeggio creates a tense, unstable sound built from minor thirds. It works over Gdim, Gdim7, Gm7b5 chords and is often used as a passing device to create dramatic tension before resolving to a stable chord.

Practice Routine

Play the G Diminished arpeggio as whole notes over a backing track or drone on G. Focus on intonation and tone quality for each of the 3 notes (G, Bb, Db). After a few passes, begin improvising short melodic phrases built from these arpeggio tones, connecting them with passing notes.

Guitar Tips

On guitar, practice the G Diminished arpeggio using sweep picking across all six strings. Start with downstrokes ascending and upstrokes descending at a slow tempo, keeping each note separated rather than blurred. Mute unused strings with your fretting hand to keep the sound clean.

Related Resources

Explore G Diminished in Other Tunings

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

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