DADF#AC# Guitar Tuner

DADF#AC# | DADG♭AD♭ Open D Maj 7 Tuning - Guitar tuning, chords & scales

Description - Open D Maj 7 Tuning

I use it for songwriting with a more nuanced sound than standard open D

Tuning Analysis: Open D Maj 7 Tuning

This unique guitar tuning, named "Open D Maj 7 Tuning," is described by its creator as ideal for songwriting, offering a more nuanced sound compared to standard Open D. It transforms the guitar into an instrument capable of producing rich, sophisticated harmonies with simple strumming.

Open String Notes:

The open strings are tuned to:
String 6 (lowest): D2
String 5: A2
String 4: D3
String 3: F4#
String 2: A3
String 1 (highest): C5#

Verbal Analysis:

When strummed open, this tuning immediately produces a full D Major 7 chord (D-F#-A-C#), giving it a rich, slightly jazzy, and very resonant quality. Unlike a simple major open tuning, the added Major 7th (C#) creates a sophisticated harmonic texture, perfect for evoking a dreamy, reflective, or even melancholic mood, depending on the melodic context. This makes it excellent for intricate fingerstyle pieces or for adding depth to strummed chords in songwriting. The presence of two D notes (D2, D3) and two A notes (A2, A3) across different octaves provides a strong fundamental and fifth, creating a full and ringing sound that sustains beautifully. It invites exploration of chord shapes that may be challenging in standard tuning, as many common intervals are readily available on open strings.

Technical Analysis:

The open strings D2-A2-D3-F4#-A3-C5# technically form a D Major 7 chord. Analyzing the intervals from the root D, we find:

D2 (Root)
A2 (Perfect 5th)
D3 (Octave)
F4# (Major 3rd)
A3 (Perfect 5th)
C5# (Major 7th)

This configuration provides multiple octaves of the root (D2, D3) and fifth (A2, A3), creating a robust harmonic foundation. The inclusion of the F4# (Major 3rd) and C5# (Major 7th) ensures the distinct Major 7th quality. This tuning facilitates easy access to various D Major 7 voicings up and down the neck, and also provides a solid foundation for movable chord shapes derived from the open string relationships.

How to Tune:

To achieve this tuning from standard EADGBe, follow these steps:

String 6 (Low E - E2): Tune down 2 semitones to D2.
String 5 (A - A2): Keep as is; no change (0 semitones). Remains A2.
String 4 (D - D3): Keep as is; no change (0 semitones). Remains D3.
String 3 (G - G3): Tune down 1 semitones to F#3.
String 2 (B - B3): Tune down 2 semitones to A3.
String 1 (High E - E4): Tune down 3 semitones to C#4.

Important Note Regarding String 3 and 1: There appears to be a discrepancy between the provided tuning instructions in 'string_movements' and the specified target notes in 'tuning_notes' for the 3rd and 1st strings.

For the 3rd string, the tuning instruction specifies tuning G3 down 1 semitone to F#3, yet the target note in 'tuning_notes' is F4#. Achieving F4# from G3 would require tuning up 11 semitones.
For the 1st string, the instruction specifies tuning E4 down 3 semitones to C#4, yet the target note in 'tuning_notes' is C5#. Achieving C5# from E4 would require tuning up 10 semitones.

These significant upward shifts (10-11 semitones) for the target notes (F4# and C5#) from their standard positions (G3 and E4) would typically require much lighter gauge strings or indicate an error in the movement instructions. Tuning a string up by more than 4 semitones from its standard pitch can put excessive tension on the string and guitar, potentially leading to string breakage or damage. Please exercise caution and consider consulting a luthier or using appropriate string gauges if attempting to reach these higher octave target notes as listed in the 'tuning_notes' section.

Open String Notes:

String 6 (Low E): D2
String 5 (A): A2
String 4 (D): D3
String 3 (G): F4#
String 2 (B): A3
String 1 (High E): C5#

F^#

C^#

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Capos for DADF#AC#

Capo	Tuning	Name
-3	BF#BD#F#A#	BFBDFA Low B
-2	CGCEGB	Open C Maj 7
-1	C#G#C#FG#C	C# Major 7 Resonance
0	DADF#AC#	Open D Maj 7 Tuning
1	D#A#D#GA#D	Open D# Maj 7
2	EBEG#BD#	EBEGBD
3	FCFACE	Allan’s Fmaj7