Jazz
Secondary Dominant Chain (III7–VI7–II7–V7) Chord Progression
III7-VI7-II7-V7. Chain of secondary dominants creating tension.
- jazz
- secondary-dominant
- turnaround
- advanced
Roman numerals
- III7
- VI7
- II7
- V7
Roman numerals give each chord’s position relative to the key’s tonic, so the progression sounds the same in any key.
Chords by key
Key of C
E7 – A7 – D7 – G7
Key of G
B7 – E7 – A7 – D7
Key of D
F#7 – B7 – E7 – A7