A cool chord is most likely a Free Form chord. A free form chord typically includes open strings, wide stretches, displaced chord tones and or chord voicings. Plus they just sound cool.

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."

"D Major" (or the key of D) is a major scale based on D, with the pitches E F# G A B C#. Its key signature has two sharps: F# C#. Its Relative Minor scale is Bm Minor. Its Parallel Minor is D Minor.

The primary chords for any major key are the I, IV, and V chords of its corresponding major scale. For D Major, the primary chords are: D, G, A, and A7. 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 its corresponding major scale. For D Major the secondary chords are: Em, F#m and Bm. From the primary and secondary chords of a major key countless songs and chords progressions can be played. This lesson covers the basic open position chords for D Major.

Common chord progressions for the key of D. Using the primary and secondary chords for the key explore these common chord progressions for the key of D. D is one of the common keys that include C, G, *D, A, and E.

Basic and Quick Change blues chord progressions in the key of D major using the core 7th chords from the Big Six series of lessons. This is great way to explore this core chord in various keys.