This application builds chords using geometric forms inside the 12 notes circle.

  1. Select a chord.
  2. The image corners point to the notes needed to build the chord.
  3. You can select the first note by clicking the note name or the related circle.

1. Select the chord:

2. Select the root note:

Major Triad

Practice triad construction, identification and ear training with our online exercises.

We also have seventh and extended chords exercises in our exercises section.


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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
José Rodríguez Alvira.