E♯ Lydian Dominant — 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 · I7E#7
Degree 2 · II7F##7
Degree 3 · iii°7G##m7b5
Degree 4 · iv°7A##m7b5
Degree 5 · v(maj7)B#mMaj7
Degree 6 · vi7C##m7
Degree 7 · VII+maj7D#maj7#5