This jam track is in the key of F Phrygian with a Ska / Reggae Style.
- Chords: Ab/F /// Gb/F ///
- Tempo: 85BPM
- Time: 4/4 Straight Groove
F Phrygian Mode notes and formula:
- 1 b2 b3 4 5 b6 b7
- F Gb Ab Bb C Db Eb
This jam track is a two chord vamp using the IV and V chords taken from the parallel major scale of the Phrygian mode (Db major) but with F in the bass.
Ab/F contains the same notes as Fm7, so this chord could be viewed as such.
Gb/F contains the same notes as Gbmaj7 so this could be considered that way too.
Fretboard diagrams used in this video
Full fretboard showing intervals for the F Phrygian mode

Full fretboard showing notes for the F Phrygian mode

Fm7 (Ab/F) chord 1st fret

Fm7 (Ab/F) chord 8th fret

Gb/F chord with F on the 8th fret

Gb/F chord with F on the 8th fret

F minor triads on top three strings

F minor triads with b7ths (Eb)

Ab major triads on top three strings

Gb major triads on top three strings with the F note added

Small F Phrygian pattern starting on the F, 3rd fret, 4th string.

Small F Phrygian pattern starting on the F, 8th fret, 5th string.

Small F Phrygian pattern starting on the F, 10th fret, 3rd string.

Connecting smaller scale patterns with slides

F Phrygian three notes per string patterns (3nps)

Fretboard diagram showing notes in the Gb major chord

Small scale pattern with the Gb note highlighted for targeting over the Gb/F chord.
