| I | III | V | ♭VII |
|---|---|---|---|
| Root | Major third | Perfect fifth | Minor seventh |
| D# | G | A# | C# |
The D# Dominant Seventh chord is composed of 4 notes :
These notes form a dominant seventh chord, adding tension and harmonic movement.
The D# Dominant Seventh dominant seventh chord is fundamental in blues, jazz and rock. It adds tension that calls for resolution.
The minor seventh creates a characteristic dissonance that defines the sound of blues and jazz. Mastering this chord is essential for these styles.
For 7th chords on piano:
The D# Dominant Seventh chord plays a key role in functional harmony:
Blues: absolutely fundamental - 12-bar blues relies entirely on dominant seventh chords.
Jazz: sevenths are enriched with extensions (#9, b9, #11, b13) to create complex colors.
Rock'n'roll: the 50s heavily relied on sevenths for that retro, danceable sound.
Funk and Soul: used in syncopated grooves, creating a rich and rhythmic harmonic foundation.