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D#G#A#F#CD# Guitar Tuner

D#G#A#F#CD# | E♭A♭B♭G♭CE♭ Open G#9 - Guitar tuning, chords & scales

Description - Open G#9

Open G sharp 9 tuning for guitar

The G-Sharp Minor Dream Tuning Analysis

This tuning, originally named "Open G#9," is a unique and rich open tuning for the guitar, inviting players into a world of lush harmonies and darker, more contemplative soundscapes. While the provided name from the JSON, "Open G#9," often suggests a dominant or major 9th chord, a technical analysis reveals that the open strings actually form a beautiful G# minor 9th (G#m9) chord. This makes it an excellent choice for genres like jazz, blues, R&B, or even progressive rock, where complex minor voicings and extended harmonies are desired.

Technical Analysis

The open strings of the guitar in this tuning yield the notes D#3, G#3, A#3, F#4, C4, and D#5 (from low E to high e string, respectively). When arranged from the assumed root, G#, these notes form the following intervals:

  • G# (Root) - from the 5th string
  • A# (Major 2nd / 9th) - from the 4th string
  • C (Minor 3rd) - from the 2nd string
  • D# (Perfect 5th) - from the 6th and 1st strings
  • F# (Minor 7th) - from the 3rd string

This precise combination creates an open G#m9 chord. The presence of the minor third (C) and minor seventh (F#) firmly establishes its minor tonality, while the added 9th (A#) provides a sophisticated, extended harmony. This means simply strumming the open strings delivers a full G#m9 chord, offering a rich sonic foundation without needing to fret any notes.

Chords and Playability

The open G#m9 chord provides a fantastic starting point for exploration. By simply barring across various frets, you can easily transpose this minor 9th chord to other keys across the fretboard, creating a family of m9 chords with ease (e.g., barre at the 1st fret for Am9, 2nd fret for Bbm9, etc.). This makes playing chord progressions in minor 9th voicings incredibly fluid and accessible.

The unique interval relationships between strings also open up possibilities for interesting partial chords and melodic lines. For instance, the two D# notes on strings 6 and 1 provide a solid octave framework for melodies and bass lines. The proximity of G# (string 5) and A# (string 4) is a major second, offering a tight voicing often found in jazz compositions. The C (string 2) and F# (string 3) also present unique intervals that can be exploited for specific voicings or arpeggios, adding a distinct, complex flavor to your playing, moving beyond typical chord shapes.

How to Tune

To achieve the "G-Sharp Minor Dream" tuning from standard EADGBe, follow these string movements carefully:

  • Low E String (String 6): Tune down 1 semitone from E to D#3.
  • A String (String 5): Tune down 1 semitone from A to G#3.
  • D String (String 4): Tune down 4 semitones from D to A#3. Please exercise significant caution! Tuning down 4 semitones is a substantial drop. If your guitar is not typically set up for such a low tuning, or if you plan to keep it in this tuning for extended periods, consider using a heavier gauge string for optimal tone, tension, and to prevent potential fret buzz or intonation issues.
  • G String (String 3): Tune down 1 semitone from G to F#4.
  • B String (String 2): Tune up 1 semitone from B to C4.
  • High e String (String 1): Tune down 1 semitone from E to D#5.

Always tune carefully and use a reliable tuner. Enjoy exploring the rich sonic possibilities of the G-Sharp Minor Dream!



The notes for the G-Sharp Minor Dream tuning, from the thickest string (string 6) to the thinnest string (string 1), are as follows:

  • String 6: D3#
  • String 5: G3#
  • String 4: A3#
  • String 3: F4#
  • String 2: C4
  • String 1: D5#

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Capos for D#G#A#F#CD#

Capo Tuning Name
0 D#G#A#F#CD# Open G#9

Scales for D#G#A#F#CD#

A A# B C C# D

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