This tuning, named "Op D sharp Major 9 String", is designed for a 9-string guitar. As indicated by its creator, it was generated using a tuning tool, offering a fresh and expansive sonic canvas for musicians.

Technical Analysis

This 9-string tuning extends the guitar's range significantly, providing an exceptionally deep low end with its two D#2 strings, and reaching a bright D#5 at the top. The complete set of open notes, from lowest to highest, is: D#2, D#2, A#2, D#3, A#3, D#4, G3, A#4, D#5.

When analyzed harmonically, the core notes present in this open tuning are D#, G, and A#. In the key of D# Major, G natural functions as Fx (F double-sharp), which is the major third. Therefore, these notes collectively form a full and rich D# Major chord (D#, Fx (G), A#). The strong presence of D# and A# across multiple octaves, especially the foundational double D#2 and the distinct G3 (Fx3), establishes this as a powerful open major tuning.

Practically, this means that simply strumming all open strings will yield a resonant D# Major chord. This makes it ideal for songwriting and performance where D# Major is a central key. The tuning facilitates easy access to other major chords by barring across the fretboard, maintaining the open D# Major shape. The two lowest D#2 strings contribute immense depth and resonance, perfect for heavy riffs, drone music, or a rich harmonic accompaniment. The repeated D# and A# notes (root and fifth) throughout the range also mean that powerful D#5 (power chords) are readily available and incredibly robust, offering a thick, full sound.

How to Tune

To set your 9-string guitar to the "Op D sharp Major 9 String" tuning, precisely follow the semitone adjustments for each string below. All string movements described are generally within safe limits for standard string gauges. However, always tune with care, especially when increasing string tension.

• String 9 (Lowest): Tune up 2 semitones to D2#.
• String 8: Tune down 3 semitones to D2#.
• String 7: Tune down 1 semitone to A2#.
• String 6: Tune down 1 semitone to D3#.
• String 5: Tune up 1 semitone to A3#.
• String 4: Tune up 1 semitone to D4#.
• String 3: Keep as is; no change (0 semitones) to G3.
• String 2: Tune down 1 semitone to A4#.
• String 1 (Highest): Tune down 1 semitone to D5#.

Here are the target notes for each string in this tuning, listed from the lowest (9th) to the highest (1st):

• String 9: D2#
• String 8: D2#
• String 7: A2#
• String 6: D3#
• String 5: A3#
• String 4: D4#
• String 3: G3
• String 2: A4#
• String 1: D5#