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GDAEBD Guitar Tuner

GDAEBD 2.5 Step Down NST(ish) - Guitar tuning, chords & scales

Description - 2.5 Step Down NST(ish)

from the creator that brought you the inaccurate sleep deprived (not)NST tuning

Verbal Analysis: The Sound of Depth and Experimentation

"The Fifth-Third Drone" is an exceptionally deep and resonant guitar tuning that immediately commands attention. With its lowest string plunging to a G1, this tuning offers a profoundly dark and weighty sonic landscape. The creator's playful description hints at an experimental and unconventional approach, suggesting a departure from standard tunings to explore unique harmonic possibilities. It feels open, vast, and capable of producing rich, droning textures, making it ideal for ambient soundscapes, heavy riffs, or deeply emotive fingerstyle playing.

The sustained perfect fifths across the four lowest strings create a powerful, symphonic foundation, allowing for huge, ringing chords and easy power chord shapes. This resonance is then subtly contrasted by the minor third interval on the top two strings, which introduces a touch of melancholic beauty or bluesy grit, preventing the tuning from being solely heroic or expansive. It's a tuning that invites exploration and rewards creative playing, pushing the boundaries of what a guitar can sound like.

Technical Analysis: A Stack of Fifths with a Minor Third Twist

This tuning transforms the standard guitar into G1 D2 A2 E3 B3 D4 (low to high). The intervallic structure is highly distinctive:

  • String 6 to String 5 (G1 to D2): Perfect 5th
  • String 5 to String 4 (D2 to A2): Perfect 5th
  • String 4 to String 3 (A2 to E3): Perfect 5th
  • String 3 to String 2 (E3 to B3): Perfect 5th
  • String 2 to String 1 (B3 to D4): Minor 3rd

The consecutive perfect fifths on the lower four strings (G-D-A-E) are a defining feature, making open perfect fifths (power chords) incredibly accessible across the lower register simply by barring a single fret. For example, an open barre at the 5th fret across strings 6-3 will yield C-G-D-A. The open strings themselves form a rich, extended harmony:

  • Considering G as the root, the open strings G-D-A-E-B-D contain G (root), B (major 3rd), D (perfect 5th), A (major 2nd/9th), and E (major 6th/13th). This suggests an open Gmaj13 or G6/9 chord, but with a deep, resonant quality due to the low G1. The open G, B, and D notes (from strings 6, 2, and 1 respectively) clearly outline a G Major triad.
  • The presence of the minor third between the B3 and D4 on the top two strings adds a unique flavor. This interval can be readily used to create minor chord voicings, adding a touch of blues or melancholic tension to the overall G Major foundation.

How to Tune Your Guitar

To achieve this unique "Fifth-Third Drone" tuning from standard EADGBe, follow these precise string movements. Please pay close attention to the semitone adjustments, especially for strings requiring significant detuning, as a different string gauge may be advised for optimal performance and string tension.

  • String 6 (Low E): Tune down 9 semitones from E to G1. This is a very significant drop; a heavier gauge string is strongly advised for proper tension and tone.
  • String 5 (A): Tune down 7 semitones from A to D2. This is also a substantial drop; a heavier gauge string is strongly advised.
  • String 4 (D): Tune down 5 semitones from D to A2. This is a considerable drop; a heavier gauge string is advised.
  • String 3 (G): Tune down 3 semitones from G to E3. This is a moderate drop, generally manageable with standard gauges, but check string tension.
  • String 2 (B): Keep as is; no change (0 semitones) at B3.
  • String 1 (High E): Tune down 2 semitones from E to D4. This is a moderate drop, typically manageable with standard gauges.

Important Note on String Gauges: For strings requiring a movement of more than 4 semitones (either up or down), particularly strings 6, 5, and 4 in this tuning, using a heavier gauge string set is highly recommended. This will help maintain adequate string tension, prevent fret buzz, improve intonation, and achieve the best possible tone at such low pitches.



String 6: Tuned to G1, this is your lowest and heaviest string, providing a deep, resonant foundation.

String 5: Tuned to D2, a perfect fifth above the 6th string, adding to the powerful bass resonance.

String 4: Tuned to A2, another perfect fifth above the 5th string, continuing the open, ringing quality.

String 3: Tuned to E3, maintaining the sequence of perfect fifths, creating a consistent and strong harmonic base.

String 2: Tuned to B3, this string breaks the perfect fifth pattern, setting up a minor third interval with the highest string.

String 1: Tuned to D4, the highest string, forming a minor third with the 2nd string and completing the unique harmony.

G
D
A
E
B
D

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Capos for GDAEBD

Capo Tuning Name
0 GDAEBD 2.5 Step Down NST(ish)
2 AEBF#C#E NST Dropped
3 A#FCGDF Bb (A#) NST
5 CGDAEG Violin 5ths

Scales for GDAEBD

A A# B C C# D

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