B♭ Major — Triads
Three-note stacks of thirds, one per scale degree. The chord-quality pattern below is the Major scale's diatonic harmony.
All 7 triads in sequence
Degree 1 · IBb
Degree 2 · iiCm
Degree 3 · iiiDm
Degree 4 · IVEb
Degree 5 · VF
Degree 6 · viGm
Degree 7 · vii°A dim