Minor 7th flat nine arpeggios are built by stacking a minor third (from the root A to the third C), followed by a major third (from C to the fifth E) and two minor thirds (from E to the seventh G and from G to the ninth B-flat). This structure corresponds to the m7b9 chords often found in Phrygian mode.
Construction of the minor 7th flat nine arpeggio
Minor 7th flat nine arpeggios are built by stacking a minor third (from the root A to the third C), followed by a major third (from C to the fifth E) and two minor thirds (from E to the seventh G and from G to the ninth B-flat). This structure corresponds to the m7b9 chords often found in Phrygian mode.