Use Chordacus to find all chords, scales, and arpeggios!
As a highly developed version of The CAGED system, Chordacus will display all possible chord shapes in five positions.
Start with finding the root note, then pick your CAGED shape in major or minor.
From here, you can build a pentatonic scale, a mode, or extend it into different chords. Chordacus is color-coordinated so you can see how the chord shape, the pentatonic, and the mode interact.
Below Chordacus, you find the SWS. This is the same thing but now organized per key signature.
Chordacus in a key – The SWS
Thinking of a song’s chord progression as Roman Numerals and the guitar neck as the five positions of the CAGED system, we can visualize the guitar fretboard and clearly see how to build chords, scales, and arpeggios.
This application was developed with the help of a Spytunes student, Christian Grafelman.
Chordacus | Related tools
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Manually enter the tempo or simply tap it in.
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Load up this free guitar tuner on your phone and you’re good to go. Set it to 440 Hz, or adjust it to work with any song, even those set to the magical frequency of the universe: 432 Hz.