G♭ Mixolydian — Triads
Three-note stacks of thirds, one per scale degree. The chord-quality pattern below is the Mixolydian scale's diatonic harmony.
All 7 triads in sequence
Degree 1 · IGb
Degree 2 · iiAbm
Degree 3 · iii°Bb dim
Degree 4 · IVCb
Degree 5 · vDbm
Degree 6 · viEbm
Degree 7 · VIIFb