Finger Positions

D#maj9/F# diagram
Root Note D#
Name D# major ninth over F#
Intervals 1P-3M-5P-7M-9M
Relative Minor Cm
Notes F#, D#, G, A#, D, F
Aliases D#maj9, D#Δ9, D#^9

How to play the D#maj9/F# Chord

The D#maj9/F# is a fundamental major chord in guitar music. To play this chord correctly, ensure your fingers are placed precisely on the frets indicated in the diagram above.

Music Theory Analysis

From a theoretical perspective, the D# major ninth over F# is built using the 1P, 3M, 5P, 7M, 9M intervals. In the key of D# Major, this chord functions as the I chord.

Common Progressions

In music composition, the D#maj9/F# chord is often used to create tension or resolution.

I-V-vi-IV

D# → A# → Cm → G#

vi-IV-I-V

Cm → G# → D# → A#

The Diatonic Family

Understanding the "family" of chords that belong to D# helps with transposition and ear training.

Triads

D# Fm Gm G# A# Cm Ddim

7ths

D#maj7 Fm7 Gm7 G#maj7 A#7 Cm7 Dm7b5

Scale Compatibility

View All Scales
Major Bebop Lydian Harmonic Major Bebop Major Ichikosucho Messiaen's Mode #3 Chromatic

* 8 scales found containing the notes F#, D#, G, A#, D, F.

Acoustic & Digital Analysis

Digital footprint of the D#maj9/F# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 66, 63, 67, 70, 62, 65
Frequencies (Hz)

369.9944227116344, 311.1269837220809, 391.99543598174927, 466.1637615180899, 293.6647679174076, 349.2282314330039