This jam track is in the key of Bb Phrygian with a Ska / Reggae Style.
- Chords: Db/Bb /// Cb/Bb ///
- Tempo: 85BPM
- Time: 4/4 Straight Groove
Bb Phrygian Mode notes and formula:
- 1 b2 b3 4 5 b6 b7
- Bb Cb Db Eb F Gb Ab
This jam track is a two chord vamp using the IV and V chords taken from the parallel major scale of the Phrygian mode (Gb major) but with Bb in the bass.
Db/Bb contains the same notes as Bbm7, so this chord could be viewed as such.
Cb/Bb contains the same notes as Cbmaj7 so this could be considered that way too.
Fretboard diagrams used in this video
Full fretboard showing intervals for the Bb Phrygian mode

Full fretboard showing notes for the Bb Phrygian mode

Bbm7 (Db/Bb) chord 1st fret

Bbm7 (Db/Bb) chord 6th fret

Cb/Bb chord with Bb on the 6th fret

Cb/Bb chord with Bb on the 6th fret

Bb minor triads on top three strings

Bb minor triads with b7ths (Ab)

Db major triads on top three strings

Cb major triads on top three strings with the Bb note added

Small Bb Phrygian pattern starting on the Bb, 1st fret, 5th string.

Small Bb Phrygian pattern starting on the Bb, 3rd fret, 3rd string.

Small Bb Phrygian pattern starting on the Bb, 8th fret, 4th string.

Connecting smaller scale patterns with slides

Bb Phrygian three notes per string patterns (3nps)

Fretboard diagram showing notes in the Cb major chord

Small scale pattern with the Cb note highlighted for targeting over the Cb/Bb chord.
