Dominant 7 chords

A dominant 7 chord is a 4-note chord — the root plus a major third, a perfect fifth and a minor seventh above it. It is a major triad with a minor seventh added on top.

It has a restless, bluesy pull toward resolution, central to blues, jazz and funk. Below are the dominant 7 chords for all twelve keys, from C to B — pick any chart for its full set of voicings, the piano shape and how it's built.