Chord sequence

D7, G7, D7, G7, D7, A7, G7, D7, Eb7

D7 G7 D7 G7 D7 A7 G7 D7 E♭7

120 BPM
Voicing family

Four-note rootless voicings in their two forms, with the 3rd or the 7th on the bottom, played over the root.

Customize each chord

Analysis

Heard in D major

Each chord's roman numeral and role in D major
Chord Numeral Role
D7 V7/IV Secondary dominant of IV
G7 IV7 Blues dominant
D7 V7/IV Secondary dominant of IV
G7 IV7 Blues dominant
D7 I7 Blues dominant
A7 V7 Dominant
G7 IV7 Blues dominant
D7 I7 Blues dominant
E♭7 subV7 Tritone substitute for V7

Scales to play