Db Chord Progressions: Basic Triads

If you remember from previous entries, the Db major scale consists of the Db, Eb, F, Gb, Ab, Bb, and C notes. This scale will relate directly to the simple triads (that is, three-note chords made of the root, major/minor third, and diminished/perfect fifth notes) in the key of Db major (please refer to this website or elsewhere for more information):

I. Db major (made of the Db, F, and Ab notes);
ii. Eb minor (Eb, Gb, and Bb notes);
iii. F minor (F, Ab, and C notes);
IV. Gb major (Gb, Bb, and Db notes);
V. Ab major (Ab, C, and Eb notes);
vi. Bb minor (Bb, Db, and F notes); and
vii(b5). C diminished (C, Eb, and Gb notes).