Finger Positions

Root Note D#

Name D# suspended fourth seventh over F#

Intervals 1P-4P-5P-7m

Relative Minor Cm

Notes F#, D#, G#, A#, C#

Aliases D#7sus4, D#7sus

How to play the D#7sus4/F# Chord

The D#7sus4/F# is a fundamental dominant 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# suspended fourth seventh over F# is built using the 1P, 4P, 5P, 7m intervals. In the key of D# Major, this chord functions as the I chord.

Common Progressions

In music composition, the D#7sus4/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

Minor Minor Blues Bebop Dorian Mixolydian Phrygian Mixolydian Pentatonic Egyptian In-Sen Minor Pentatonic Piongio Mixolydian B6 Dorian B2 Phrygian Dominant Spanish Heptatonic

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

Acoustic & Digital Analysis

Digital footprint of the D#7sus4/F# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 66, 63, 68, 70, 61

Frequencies (Hz)

369.9944227116344, 311.1269837220809, 415.3046975799451, 466.1637615180899, 277.1826309768721