Tuning Analysis: DADF#C#F#

This unique tuning, aptly named DADF#C#F#, presents a rich and resonant soundscape for guitarists. Described by its creator as "similar to Open D," it indeed shares the familiar low D-A-D foundation, but diverges significantly with the F#, C#, and high F# on the treble strings, transforming it into a lush open D Major 7th chord. This makes it an incredibly inspiring tuning for various styles, from melodic fingerstyle to slide guitar, where the open strings can create beautiful drones and shimmering harmonies.

Technical Breakdown

• Open Chord: Strumming all open strings reveals a full D Major 7th chord (D-F#-A-C#), giving it an immediate, sophisticated, and bright character.
• Intervals: The low D to A is a perfect fifth, followed by another D an octave higher than the low D. The crucial difference comes from the F# (major third above D), the C# (major seventh above D), and the high F# (another major third, an octave higher than the middle F#). This arrangement provides both strong bass support and sparkling high-end voicing.
• Chord Shapes: Due to the open D Major 7th, barre chords up the neck will naturally create other Major 7th chords. For instance, moving this shape up two frets would yield an Emaj7, and five frets an Amaj7. The consistent intervals on the highest three strings (D-F#-C#-F# with two perfect 4ths and a major 3rd) can lead to interesting melodic and chordal possibilities with minimal fretboard movement. Minor chords may require more careful fingering but can sound particularly poignant against the open D drone.
• Resonance: The open intervals, particularly the D-A-D foundation, contribute to excellent sustain and sympathetic resonance, making it ideal for creating full, ambient soundscapes.

How to Tune

Tuning your guitar to DADF#C#F# involves a mix of lowering and raising string tensions. Always be mindful when tuning, especially when increasing string tension. While all the adjustments below are within generally safe limits (less than 4 semitones change), always proceed with caution.

• String 6 (Low E to D): Tune down 2 semitones to D2.
• String 5 (A to A): Keep as is; no change (0 semitones) to A2.
• String 4 (D to D): Keep as is; no change (0 semitones) to D3.
• String 3 (G to F#): Tune down 1 semitone to F#4.
• String 2 (B to C#): Tune up 2 semitones to C#5.
• String 1 (High E to F#): Tune up 2 semitones to F#5.

String 6: D2
String 5: A2
String 4: D3
String 3: F#4
String 2: C#5
String 1: F#5