Chord sequence

D#m7b5, D7#11, C#m7, C7, Bmaj7

D♯m7♭5 D7♯11 C♯m7 C7 Bmaj7

Tempo 120 BPM

Rootless Shells Guide tones Rooted shells Rooted Drop 2

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

Customize each chord

D#m7b5
D7#11
C#m7
C7
Bmaj7

Analysis

Heard in B major

Each chord's roman numeral and role in B major
Chord	Numeral	Role
D♯m7♭5	?	Outside the key (iiiø7)
D7♯11	subV7♯11/ii	Tritone substitute for V7/ii
C♯m7	ii7	Subdominant
C7	subV7	Tritone substitute for V7
Bmaj7	Imaj7	Tonic

Progressions in these changes

Chords 3 to 5

Tritone Sub ii-V-I Progression in B

C#m7 C7 Bmaj7

Scales to play