Chord

Chord is a harmonic set of at least three tones.

The most used chords are triads. Triads are constructed from two thirds placed one on top of the other. This way we get a set of root tone, third and fifth. E.g. major triad consisting of major third (lower) and minor third (upper) includes root tone, major third and perfect fifth:

There are 4 types of triads:

Name Third Fifth Example
Major Major Perfect C-E-G
Minor Minor Perfect C-Eb-G
Augmented Major Augmented C-E-G#
Diminished Minor Diminished C-Eb-Gb

By shifting the lowest tone one octave higher we create a chord inversion. After first shifting (of root note) we get first inversion. After second shifting (of third) we get second inversion:


Practice chords in our
chord identification online exercises.


More music theory exercises in our apps.

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