This jam track is in the key of G Phrygian with a Ska / Reggae Style.
- Chords: Bb/G /// Ab/G ///
- Tempo: 85BPM
- Time: 4/4 Straight Groove
G Phrygian Mode notes and formula:
- 1 b2 b3 4 5 b6 b7
- G Ab Bb C D Eb F
This jam track is a two chord vamp using the IV and V chords taken from the parallel major scale of the Phrygian mode (Eb major) but with G in the bass.
Bb/G contains the same notes as Gm7, so this chord could be viewed as such.
Ab/G contains the same notes as Abmaj7 so this could be considered that way too.
Fretboard diagrams used in this video
Full fretboard showing intervals for the G Phrygian mode

Full fretboard showing notes for the G Phrygian mode

Gm7 (Bb/G) chord 3rd fret

Gm7 (Bb/G) chord 10th fret

Ab/G chord with G on the 3rd fret

Ab/G chord with G on the 10th fret

G minor triads on top three strings

G minor triads with b7ths (F)

Bb major triads on top three strings

Ab major triads on top three strings with the G note added

Small G Phrygian pattern starting on the G, 3rd fret, 6th string.

Small G Phrygian pattern starting on the G, 5th fret, 4th string.

Small G Phrygian pattern starting on the G, 12th fret, 3rd string.

Connecting smaller scale patterns with slides

G Phrygian three notes per string patterns (3nps)

Fretboard diagram showing notes in the Ab major chord

Small scale pattern with the Ab note highlighted for targeting over the Ab/G chord.

love this thank you so much