"Db Major" (or the key of Db) is a major scale based on Db, with the pitches Db Eb F Gb Ab Bb C. Its key signature has five flats: Bb Eb Ab Db Gb. Its Relative Minor scale is Bb Minor. Its Parallel Minor is Db Minor.

Major and Minor Harmonized Chord Charts are used for while doing a Harmonic Analysis (HA). Shows triads and 4-part chords for ALL 15 major and minor keys. "Yes, Virginia there are 15 keys."

The primary chords for any major key are the I, IV and V chords of its corresponding major scale. For Db Major' the primary chords are: Db, Gb, Ab and Ab7. From the primary and secondary chords of a major key' countless songs and chords progressions can be played.

Common chord progressions for the key of Db. Using the primary and seconday chords for the key explore these common chord progressions for the key of Db.