Reference
Triads and Scales Degrees
The following table shows the scale degrees where we find each type of triad:
Triad Major Scale Natural Minor Scale Harmonic Minor Scale Melodic Minor Scale Major I, IV, V III, VI, VII V, VI IV, V Minor II, III, VI I, IV, V I, IV I, II Diminished VII II II, VII VI, VII Augmented - - III III
Knowing the type of triad formed on each scale degree may be very helpful when identifying triads.
