Chord sequence

C#m7, C7, Bmaj7

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

C#m7
C7
Bmaj7

Analysis

Heard in B major

Each chord's roman numeral and role in B major
Chord	Numeral	Role
C♯m7	ii7	Subdominant
C7	subV7	Tritone substitute for V7
Bmaj7	Imaj7	Tonic

Progressions in these changes

All the chords

Tritone Sub ii-V-I Progression in B

The ii-V-I with a tritone substitute: bII7 in place of V7, so the bass falls by half steps from ii to I.

Scales to play