G# Half-whole Diminished Guitar Scale
Guitar scale — fretboard diagram
G# Half-whole Diminished Scale — Notes and Intervals
The G# Half-whole Diminished scale is a symmetrical scale that is an essential tool for jazz players. On Guitar, the notes are G#, A, B, C, D, D#, F, F#. It provides a sophisticated dissonant crunch when played over dominant seventh chords, allowing for complex, high-tension solos that still feel structured. Commonly used in Jazz, Bebop, Fusion, Film Scores. Notable players include Charlie Parker, Joe Pass, Pat Martino, George Benson. Use over dominant 7th chords (7, 7b9, 13b9). The jazz standard for creating structured tension over dominant harmony. Works over 4 roots spaced a minor 3rd apart.
Notes: G#, A, B, C, D, D#, F, F#
Intervals: 1P, 2m, 3m, 3M, 4A, 5P, 6M, 7m
Degrees: 1 b2 b3 4 #5 6 7 b8
Formula: H-W-H-W-H-W-H-W
Number of notes: 8
Also known as: dominant diminished, messiaen's mode #2
How to Play G# Half-whole Diminished on Guitar
Place your index finger at fret 4 on the 6th (low E) to find your G# root note. Because this scale has 8 notes, four-notes-per-string stretches may be necessary. Start with a single position and expand gradually. Keep your thumb centered behind the neck for reach.
The G# Half-whole Diminished scale contains 3 sharps (G#, D#, F#). This scale does not follow a traditional major or minor key signature, so reading from sheet music may require accidentals.
Practice Routine
Begin by playing the G# Half-whole Diminished scale ascending and descending at 80 BPM using a metronome, one note per beat. Once comfortable, practice in thirds (G#-B, A-C) to build intervallic familiarity. Spend 5 minutes daily on this pattern before increasing tempo by 10 BPM.
Experiment with simple two-chord vamps rooted on G# to let the characteristic intervals of the Half-whole Diminished scale come through clearly.
Guitar Tips
Use hybrid picking (pick + fingers) when playing the G# Half-whole Diminished scale on guitar to access wider intervals and string skips that a pick alone cannot handle efficiently.
The G# Half-whole Diminished scale contains 8 notes (G#, A, B, C, D, D#, F, F#). Use the interactive fretboard above to explore this scale on Guitar with different tunings and fret ranges.
CAGED Positions & Patterns for G# Half-whole Diminished
The G# Half-whole Diminished scale can be played in 5 CAGED positions across the fretboard, each based on an open chord shape (C, A, G, E, D). As a 8-note scale, it also lends itself to 3-notes-per-string (3NPS) patterns that facilitate legato playing and diagonal shifting. Use the pattern selector above to isolate each position.
Explore G# Half-whole Diminished Further
- Harmonize the G# Half-whole Diminished scale — triads & 7th chords
- Browse chord progressions
- G# Half-whole Diminished on Ukulele
- G# Half-whole Diminished on Bass
- G# Half-whole Diminished on Piano
Explore G# Half-whole Diminished in Other Tunings
- G# Half-whole Diminished in Drop D (E-B-G-D-A-D)
- G# Half-whole Diminished in DADGAD (D-A-G-D-A-D)
- G# Half-whole Diminished in Open G (D-B-G-D-G-D)
- G# Half-whole Diminished in Baritone (B Standard) (B-F#-D-A-E-B)
- G# Half-whole Diminished in 7-string (E-B-G-D-A-E-B)
- G# Half-whole Diminished in 8-string (E-B-G-D-A-E-B-F#)
- G# Half-whole Diminished in Drop C (D-A-F-C-G-C)
- G# Half-whole Diminished in Drop B (C#-G#-E-B-F#-B)
- G# Half-whole Diminished in Open D (D-A-F#-D-A-D)
- G# Half-whole Diminished in Half Step Down (Eb-Bb-Gb-Db-Ab-Eb)
- G# Half-whole Diminished in Open E (E-B-G#-E-B-E)
- G# Half-whole Diminished in Open A (E-C#-A-E-A-E)
- G# Half-whole Diminished in Double Drop D (D-B-G-D-A-D)
- G# Half-whole Diminished in Open C (E-C-G-C-G-C)