Non-dominant chords are diatonic seventh chords that do not possess dominant functionality.
These seventh chords often serve as preparation for dominant function harmonies. There are mainly three type of non-dominant chord types.
Maj Seventh chord is described a non-dominant seventh chord type by theoriests. It is built by adding a major third above a major triad. Although it has been used commonly after 19th century music, in modern times it\'s widely used in many music types.
Minor Seventh chord is also a non-dominant seventh chord type. It is built by adding a minor third above a minor triad. Because of its strong dissonance, it\'s widely used in many music types mostly in jazz and also in classical music.
Diminished Seventh is also a dominant seventh chord type. It is built by a minor third above a diminished triad. This chord type also known as rootless-dominant.
Suspended chords are deriven their origins basicly from fourth-based triads. They are commonly used to suspend a resolve, or prepare to another chord. There are mainly three kind of suspended chords.
This triad chord is built by adding a second and a perfect fifth above root note. It produce a tension to resolve for root note.
This triad chord is built by adding a perfect fourth and perfect fifth above root note. It produce a tension to resolve for third note.
This chord is built by adding a perfect fourth, perfect fifth and minor seventh above root note. It produce a tension to resolve for third note of dominant seventh.
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