7th chords

 Seventh 7th chords 

Just like triads there are chords but seventh chords are 4 notes instead of 3. In a seventh chord you had the 7th note of the scale. It is a combination of a traid with an interval of a seventh.

In a seventh chord scale the 5th note is always a dominant chord adn the second note is a hald diminished and the7th note is a fully diminished. 

There are several 7th chords. Major, minor, half diminished, fully diminished and dominant 7th.

Dominant 7th chord are identified by a major traid and a 7th seventh.

Major 7th chord  are a major traid and a major 7th 

Minor 7th chord are minor traid and a minor 7th

Half diminished 7th chord is a diminished 7th and minor 7th

Diminished 7th  chord is a diminished traid and a diminished 7th

Here are ways we identify seventh chords.

Here are seventh chords in inversons and showing you where the root will start.

Here is a basic understanding of seventh chords and how they are played.

This is a video of a musican playing seventh chords on a guitar and showing you with notes make up that chords.