A♭ Phrygian — Triads
Three-note stacks of thirds, one per scale degree. The chord-quality pattern below is the Phrygian scale's diatonic harmony.
All 7 triads in sequence
Degree 1 · iAbm
Degree 2 · IIBbb
Degree 3 · IIICb
Degree 4 · ivDbm
Degree 5 · v°Eb dim
Degree 6 · VIFb
Degree 7 · viiGbm