C Altered — Triads
Three-note stacks of thirds, one per scale degree. The chord-quality pattern below is the Altered scale's diatonic harmony.
All 7 triads in sequence
Degree 1 · i°C dim
Degree 2 · iiDbm
Degree 3 · iiiEbm
Degree 4 · IV+Fb aug
Degree 5 · VGb
Degree 6 · VIAb
Degree 7 · vii°Bb dim