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G#D#BC#F#A# Guitar Tuner

G#D#BC#F#A# | A♭E♭BD♭G♭B♭ C G D# F A# D (Open Cm11 But Two Steps Down) - Guitar tuning, chords & scales

Description - C G D# F A# D (Open Cm11 But Two Steps Down)

This is C G D# F A# D but two steps down. So this now Open G#m11.

G# D# B C# F# A#

Verbal Analysis: The Sound of Open G#m11

Welcome to the rich and resonant world of the Open G#m11 tuning! This unique tuning is derived from an initial C G D# F A# D setup, but then meticulously shifted "two steps down" to achieve its distinctive character. The resulting open strings naturally form a G# Minor 11 chord, offering a deep, complex, and atmospheric sound. It’s perfect for musicians exploring jazz, fusion, ambient, or progressive rock styles, where sophisticated harmonies and lush textures are desired. The inherent tension and release within the minor eleventh chord provide an expansive sonic landscape, allowing for intricate arpeggios and fluid melodic lines over a rich harmonic foundation. Strumming all open strings delivers an immediate, full-bodied chord, making it incredibly inspiring for songwriting and improvisation, evoking a sense of mystery and depth.

Technical Analysis: Unpacking the G#m11 Structure

This tuning is an Open G# Minor 11 chord, meaning when all strings are played open, they form the notes of a G#m11. Let's break down the intervals relative to the root G#:

  • 6th String (G#2): The Root (G#)
  • 5th String (D#3): Perfect 5th (P5) above G#
  • 4th String (B2): Minor 3rd (m3) above G#
  • 3rd String (C#4): Perfect 4th (P4) above G#
  • 2nd String (F#4): Minor 7th (m7) above G#
  • 1st String (A#4): Major 2nd (M2) or 9th (M9) above G#
The complete chord spelled out by the open strings is G# - B - D# - F# - A# - C#, which constitutes a G# minor chord (G# B D#) with a minor 7th (F#), a major 9th (A#), and an 11th (C#). This dense voicing provides a rich harmonic palette for exploration.

Chordal Possibilities:

Due to its open G#m11 structure, barring across any fret will immediately yield a G#m11 chord shape transposed to that fret's root. For example, barring at the 1st fret will give an Am11, at the 3rd fret a Cm11, and so on. This makes transposing complex minor eleventh chords incredibly straightforward. The unique interval relationships also make it easy to form related minor, suspended, or even dominant chords with minimal finger movement. Experiment with omitting certain strings or fretting just a few notes to discover unique voicings and melodic possibilities. The low B string (4th string) also creates interesting possibilities for inversions and bass lines within this complex chord structure.

How to Tune Your Guitar to Open G#m11

Please follow these instructions carefully. Note that many strings require significant tuning adjustments, and for changes exceeding 4 semitones up or down, a different gauge string is often recommended to maintain optimal tension and prevent string breakage or intonation issues. Tuning up 3 or 4 semitones should be done with care, but tuning down large amounts, as seen below, can result in very slack strings if not using a heavier gauge.

  • 6th String (Low E position): Tune to G#2. This string needs to be tuned down 8 semitones. This is a substantial drop; a heavier gauge string is strongly advised to maintain playability and avoid excessive slack.
  • 5th String (A position): Tune to D#3. This string needs to be tuned down 6 semitones. This is a significant adjustment; consider a heavier gauge string.
  • 4th String (D position): Tune to B2. This string needs to be tuned down 3 semitones. This is a moderate adjustment and should be manageable with a standard gauge string.
  • 3rd String (G position): Tune to C#4. This string needs to be tuned down 6 semitones. Another significant adjustment; check string tension carefully.
  • 2nd String (B position): Tune to F#4. This string needs to be tuned down 5 semitones. This is a considerable change; heavier strings are recommended for optimal performance.
  • 1st String (High E position): Tune to A#4. This string needs to be tuned down 6 semitones. This is a large drop, so heavier strings are advised for optimal playability and sound.


The Open G#m11 tuning results in the following notes for each string, from lowest (6th) to highest (1st):

  • String 6: G#2
  • String 5: D#3
  • String 4: B2
  • String 3: C#4
  • String 2: F#4
  • String 1: A#4

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Capos for G#D#BC#F#A#

Capo Tuning Name
-1 GDA#CFA C G D# F A# D (Open Cm11 But Two And A Half Steps Down)
0 G#D#BC#F#A# C G D# F A# D (Open Cm11 But Two Steps Down)
1 AECDGB Baritone Ami11
2 A#FC#D#G#C C G D# F A# D (Open Cm11 But A Full Step Down)
4 CGD#FA#D CGD#FA#D
5 C#G#EF#BD# 30 Minutes In London
6 DAFGCE DAFGCE
7 D#A#F#G#C#F D#A#F#G#C#F
10 F#C#ABEG# Cm11 - Laud

Scales for G#D#BC#F#A#

A A# B C C# D

Songs tuned to G#D#BC#F#A#

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