Chord sequence

Bmaj7, Cdim7, C#m7, C7

Bmaj7 Cdim7 C♯m7 C7

120 BPM
Voicing family

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

Customize each chord

Analysis

Heard in B major

Each chord's roman numeral and role in B major
Chord Numeral Role
Bmaj7 Imaj7 Tonic
Cdim7 ♭ii°7 Passing diminished, rising to ii
C♯m7 ii7 Subdominant
C7 subV7 Tritone substitute for V7

Scales to play