C♯ Locrian Natural 6 — 7th chords

Four-note stacks of thirds on each degree — root, 3rd, 5th, 7th. The added 7th gives jazz, gospel, and modern classical voicings their distinctive colour.

All 7 seventh chords in sequence

Degree 1 · i°7C#m7b5

Degree 2 · II+maj7Dmaj7#5

Degree 3 · iii7Em7

Degree 4 · IV7F#7

Degree 5 · Vmaj7Gmaj7

Degree 6 · vi°7A# dim7

Degree 7 · vii(maj7)BmMaj7

Open in inversion explorer

i°7 · C#m7b5 II+maj7 · Dmaj7#5 iii7 · Em7 IV7 · F#7 Vmaj7 · Gmaj7 vi°7 · A# dim7 vii(maj7) · BmMaj7