Em7, A7, A#dim7, Bmaj7 in B

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

Analysis

Heard in B major

Each chord's roman numeral and role in B major
Chord	Numeral	Role
Em7	iv7	Borrowed from B minor
A7	♭VII7	Borrowed from B minor
A♯dim7	vii°7	Passing diminished, rising to I
Bmaj7	Imaj7	Tonic