"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.

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.

The secondary chords for any major key are the II, III and VI chords of it's corresponding major scale. For Db Major, the secondary chords are: Ebm, Fm and Bm. 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.