Chord sequence

F#m7, F7, Em7, Eb7

F♯m7 F7 Em7 E♭7

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

F#m7
F7
Em7
Eb7

Analysis

Heard in D major

Each chord's roman numeral and role in D major
Chord	Numeral	Role
F♯m7	iii7	Diatonic
F7	subV7/ii	Tritone substitute for V7/ii
Em7	ii7	Subdominant
E♭7	?	Outside the key (bII7)

Progressions in these changes

All the chords

Chromatic iii-bIII-ii-bII Progression in D

The iii-VI-ii-V turnaround with both dominants replaced by tritone substitutes, so the roots descend by half steps from iii to I.

Scales to play