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Augmented Chords

What is an augmented chord?

An augmented chord is a triad that consists of three notes: the root, the major third, and the augmented fifth. It is different from a major chord in that it has an augmented fifth.

Augmented Chord Formula: 1-3-#5

The formula 1-3-#5 represents the intervallic structure of an augmented chord:

  • 1: The root note of the chord.
  • 3: The major third.
  • #5: The augmented fifth.

For example, in a C augmented chord:

  • Root note (1): C
  • Major third (3): E
  • Augmented fifth (#5): G#

The combination of these three notes (C, E, G#) creates the sound of a C augmented chord.

Characteristics of Augmented Chords

Augmented chords have a unique and somewhat dissonant quality due to the augmented 5th interval. They are often used for creating tension or leading to a resolution in music. Augmented chords are less common than major and minor chords but add color to compositions.

Playing Augmented Chords

On a piano or keyboard, augmented chords are typically played by pressing the root note, the major third, and the augmented fifth.

In guitar playing, augmented chords are formed by pressing down specific combinations of strings and frets, following chord diagrams or finger positions.

List of augmented chords for all keys