Gm7, C7, Dbdim7, Dmaj7 in D

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 D major

Each chord's roman numeral and role in D major
Chord	Numeral	Role
Gm7	iv7	Borrowed from D minor
C7	♭VII7	Borrowed from D minor
D♭dim7	♭i°7	Passing diminished, rising to I
Dmaj7	Imaj7	Tonic