Finger Positions

Root Note Db

Name Db diminished seventh

Intervals 1P-3m-5d-7d

Relative Minor Bbm

Notes Db, E, G, Bb

Aliases Dbdim7, Db°7, Dbo7

How to play the Dbdim7 Chord

The Dbdim7 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 diminished seventh is built using the 1P, 3m, 5d, 7d intervals. In the key of Db Major, this chord functions as the I chord.

Common Progressions

In music composition, the Dbdim7 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

Diminished Ultralocrian Locrian 6 Dorian #4 Lydian Diminished Hungarian Major Lydian #9 Half-Whole Diminished Composite Blues Messiaen's Mode #7 Chromatic

* 11 scales found containing the notes Db, E, G, Bb.

Acoustic & Digital Analysis

Digital footprint of the Dbdim7 chord for MIDI programming and synthesizer sound design.

MIDI Numbers 61, 64, 67, 70

Frequencies (Hz)

277.1826309768721, 329.6275569128699, 391.99543598174927, 466.1637615180899