Verbal Analysis:

The "2Fret" tuning is an exceptionally bold and experimental setup, designed to push the boundaries of guitar playing by making all 12 chromatic tones accessible within a very compact two-fret span. As its creator suggests, this is an unconventional and self-devised tuning, indicating a departure from traditional harmonic structures. It invites players to explore unique sonic textures, dense chromatic movements, and perhaps re-imagine chord voicings rather than relying on standard shapes. This tuning is perfect for those seeking to break free from conventional guitar sounds and delve into more avant-garde or specialized musical contexts, potentially simplifying complex melodic passages or creating dissonant, rich harmonies.

Technical Analysis:

The open strings of the "2Fret" tuning are E2, G#3, C3, F#4, A#4, and D4. Analyzing the intervals between adjacent strings:

• 6th String (E2) to 5th String (G#3): This is a Major Third (4 semitones) plus an octave, resulting in a wide 16-semitone jump in absolute pitch.
• 5th String (G#3) to 4th String (C3): This is an unusual interval spanning octaves; from G#3 to C3 it's a descending Diminished Fourth (G# to A, A#, B, C - 4 semitones down relative to the 5th string's pitch).
• 4th String (C3) to 3rd String (F#4): This is an Augmented Fourth or Tritone (6 semitones) plus an octave, another substantial 18-semitone leap in absolute pitch.
• 3rd String (F#4) to 2nd String (A#4): A Major Third (4 semitones).
• 2nd String (A#4) to 1st String (D4): This is a descending interval, a Diminished Fourth (4 semitones down relative to the 2nd string's pitch).

The overall open string voicing (E, G#, C, F#, A#, D) forms an E Lydian Augmented hexatonic scale (E F# G# A# C D). This collection of notes is highly characteristic of advanced jazz harmonies, fusion, or experimental music. It avoids traditional diatonic structures, creating a bright, somewhat dissonant, and harmonically rich foundation.

Open Chords and Reachable Shapes:

Due to the highly non-standard and wide-ranging intervals, traditional open chords (like G, C, D, Em) will not be directly accessible or recognizable. The open strings themselves do not form a common triad or seventh chord, but rather a more complex hexatonic cluster. This tuning is not designed for strumming familiar cowboy chords. Instead, players will find:

• New Harmonic Possibilities: The open strings present an E Lydian Augmented sound, which can be explored for unique arpeggios and voicings in this specific harmonic context.
• Focus on Chromaticism: The stated goal of "all 12 tones in 2 frets" suggests that the tuning might simplify chromatic melodic runs and dense clusters, making it easier to play highly dissonant or intricate lines across a small fretboard area.
• Re-thinking Chord Shapes: Players will need to discover entirely new fingerings for any desired chords, likely relying on smaller, more compact voicings that utilize the close chromatic proximity hinted at by the tuning's design. Power chords or simplified two- and three-note voicings built around the available intervals will be the starting point for exploring harmonic potential.

6th String: Tuned to E2 (the same as standard low E).

5th String: Tuned to G#3 (a G sharp in the third octave).

4th String: Tuned to C3 (a C natural in the third octave).

3rd String: Tuned to F#4 (an F sharp in the fourth octave).

2nd String: Tuned to A#4 (an A sharp in the fourth octave).

1st String: Tuned to D4 (a D natural in the fourth octave).

How to Tune:

• 6th String (Low E): Keep as is; no change (0 semitones).
• 5th String (A String): Tune down 1 semitone to G#3. This is within a safe range for your string gauge.
• 4th String (D String): Tune down 2 semitones to C3. This is within a safe range for your string gauge.
• 3rd String (G String): Tune down 1 semitone to F#4. This is within a safe range for your string gauge.
• 2nd String (B String): Tune down 1 semitone to A#4. This is within a safe range for your string gauge.
• 1st String (High E String): Tune down 2 semitones to D4. This is within a safe range for your string gauge.

Note: All string adjustments are minor and fall within recommended limits for standard string gauges. Always tune carefully and gradually.