Finger Positions

Root Note Db

Name Db suspended fourth seventh

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

Relative Minor Bbm

Notes Db, Gb, Ab, B

Aliases Db7sus4, Db7sus

How to play the Db7sus4 Chord

The Db7sus4 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 Db suspended fourth seventh is built using the 1P, 4P, 5P, 7m intervals. In the key of Db Major, this chord functions as the I chord.

Common Progressions

In music composition, the Db7sus4 chord is often used to create tension or resolution.

I-V-vi-IV

Db → Ab → Bbm → Gb

vi-IV-I-V

Bbm → Gb → Db → Ab

The Diatonic Family

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

Triads

Db Ebm Fm Gb Ab Bbm Cdim

7ths

Dbmaj7 Ebm7 Fm7 Gbmaj7 Ab7 Bbm7 Cm7b5

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 Db, Gb, Ab, B.

Acoustic & Digital Analysis

Digital footprint of the Db7sus4 chord for MIDI programming and synthesizer sound design.

MIDI Numbers 61, 66, 68, 71

Frequencies (Hz)

277.1826309768721, 369.9944227116344, 415.3046975799451, 493.8833012561241