B Lydian Augmented — 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+maj7Bmaj7#5

Degree 2 · II7C#7

Degree 3 · III7D#7

Degree 4 · iv°7E#m7b5

Degree 5 · v°7F##m7b5

Degree 6 · vi(maj7)G#mMaj7

Degree 7 · vii7A#m7

Open in inversion explorer

I+maj7 · Bmaj7#5 II7 · C#7 III7 · D#7 iv°7 · E#m7b5 v°7 · F##m7b5 vi(maj7) · G#mMaj7 vii7 · A#m7