Chord sequence

Ebm7, D7, Dbm7, Gb7, Cbm7, E7, Gbmaj7

E♭m7 D7 D♭m7 G♭7 C♭m7 E7 G♭maj7

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 Gb major

Each chord's roman numeral and role in Gb major
Chord Numeral Role
E♭m7 vi7 Diatonic
D7 subV7/v Tritone substitute for V7/v
D♭m7 ii7/iv ii of the ii-V to iv
G♭7 V7/iv Secondary dominant of iv
C♭m7 iv7 Borrowed from Gb minor
E7 ♭VII7 Borrowed from Gb minor
G♭maj7 Imaj7 Tonic

Progressions in these changes

Scales to play