This jam track is in the key of D Phrygian with a Ska / Reggae Style.
- Chords: F/D /// Eb/D ///
- Tempo: 85BPM
- Time: 4/4 Straight Groove
D Phrygian Mode notes and formula:
- 1 b2 b3 4 5 b6 b7
- D Eb F G A Bb C
This jam track is a two chord vamp using the IV and V chords taken from the parallel major scale of the Phrygian mode (Bb major) but with D in the bass.
F/D contains the same notes as Dm7, so this chord could be viewed as such.
Eb/D contains the same notes as Ebmaj7 so this could be considered that way too.
Fretboard diagrams used in this video
Full fretboard showing intervals for the D Phrygian mode

Full fretboard showing notes for the D Phrygian mode

Dm7 (F/D) chord 5th fret

Dm7 (F/D) chord 10th fret

Eb/D chord with D on the 5th fret

Eb/D chord with D on the 10th fret

D minor triads on top three strings

D minor triads with b7ths (C)

F major triads on top three strings

Eb major triads on top three strings with the D note added

Small D Phrygian pattern starting on the D, 5th fret, 5th string.

Small D Phrygian pattern starting on the D, 7th fret, 3rd string.

Small D Phrygian pattern starting on the D, 12th fret, 4th string.

Connecting smaller scale patterns with slides

D Phrygian three notes per string patterns (3nps)

Fretboard diagram showing notes in the Eb major chord

Small scale pattern with the Eb note highlighted for targeting over the Eb/D chord.
