Verbal Analysis:

The 'Resonant G/D' tuning is a rich and expansive open tuning designed to offer a full, harmonically layered sound, particularly well-suited for styles requiring deep resonance and drone capabilities. With its foundation in G Major and strong D major elements, it evokes a bright, open character, ideal for fingerstyle, slide guitar, or creating lush soundscapes. The arrangement of notes lends itself to easy melodic exploration and the creation of suspended or modal voicings, offering a distinct alternative to standard tuning. This tuning can sound particularly majestic with a capo, shifting its resonant qualities to different keys.

Technical Analysis:

This tuning, G2-B2-D3-A3-D4-F#5, forms a compelling harmonic structure. The lowest three strings (G2-B2-D3) clearly outline a G Major triad, providing a strong, foundational root. The upper strings (A3-D4-F#5) build upon this, forming a D Major triad (A-D-F#). When strummed open, the full six strings produce a rich, complex sonority that can be interpreted as a G Major chord with an added 9th (A) and a sharpened 11th (F# functioning as a 6th or 13th, making it Gmaj13/D or Gmaj9sus2). More simply, it's a G Major triad combined with a D Major triad, creating a vibrant Gsus2/D or Gmaj7#11-like quality with an open, sustained character. The presence of both G and D major triads makes for an incredibly versatile tuning for melodic improvisation within these harmonic territories.

Easy Chords:

• Open Strum: Produces a rich G-centric chord with D major elements, perfect for an immediate, full sound.
• Barre Chords: By barring across any single fret, you can easily transpose the open tuning's rich chordal structure to different keys, creating parallel harmony. For example, barring the 2nd fret would yield an A-centric chord.
• Two-finger Chords: Simple two-finger shapes can unlock a multitude of minor and dominant seventh chords by altering just a few notes on adjacent strings, maintaining the drone effect of the open strings.

How to Tune:

To achieve the 'Resonant G/D' tuning from standard EADGBe:

• String 6 (Low E): Tune up 3 semitones from E2 to G2. This is a moderate tension increase.
• String 5 (A): Tune up 2 semitones from A2 to B2. This is a moderate tension increase.
• String 4 (D): Keep as is; no change (0 semitones) from D3 to D3.
• String 3 (G): Tune up 2 semitones from G3 to A3. This is a moderate tension increase.
• String 2 (B): Tune up 3 semitones from B3 to D4. This is a moderate tension increase.
• String 1 (High E): Tune up 2 semitones from E4 to F#5. Important Note: The target note F#5 is significantly higher than a typical F#4 (an octave higher). While the provided instruction indicates tuning up 2 semitones, which would normally result in F#4 from E4, reaching F#5 from E4 represents a very large tension increase (+14 semitones total). If your guitar is strung with standard gauge strings, tuning to F#5 may put extreme stress on the string and instrument. A lighter gauge string or professional advice is strongly recommended for this specific string to safely achieve F#5.

General Caution: When tuning any string up more than 4 semitones, or down more than 4 semitones, consider using a different gauge string to ensure proper tension and prevent potential damage to your instrument.

Here are the notes for each string in the 'Resonant G/D' tuning:

String 6: G2

String 5: B2

String 4: D3

String 3: A3

String 2: D4

String 1: F#5