What's new

Revised article: Contrapunctus V from the Art of the Fugue.
Revised article: Canon alla Duodecima in contrapunto alla Quinta.
New in the Tutorials section: Variations.
You can now use MIDI keyboard (Google Chrome is required) to answer interval, scale and chord construction exercises.
20 new progressions in the Harmonic Progression exercise using secondary dominants with inversions.
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José Rodríguez Alvira.
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Made in the Caribbean island of Puerto Rico.