For an open “fourthy” sound that works great in Jazz Blues, forget “the 5” and play the two definitive tones (3, b7) plus “the 13″(6)…

For an open sound that works great for Jazz Blues, drop “the 5” and play the two definitive tones (3, b7) plus “the 9″(2)…

For a full, but simple and open sound, voice the Dominant Seventh Chord as a perfect 5th in the left hand and a Tritone of the two definitive tones (3, b7) in the right…

One way to get a jazzier sound is to add “color tones” to the basic Dominant Seventh Chord. A commonly-used color tone is the “9” (or “2” if you like)…

A commonly-used voicing for a Dominant Seventh Chord is to play the root in your left hand and the triad formed by the 3, 5, and b7 in your right…

A sparse, light, open texture is achieved by simply playing the root and seventh of the chord in your left hand…

A logical and musical next step is to play the most basic voicing for a C Dominant Seventh chord in our left hand in block form…

Let’s begin our exploration of commonly-used chord voicings for a Dominant Seventh Chord with the most basic arrangement of notes…