Ricci Adams’ Music Theory.net provides dozens of lessons and practice activities for learning music theory. Music Theory.net is translated into six languages. All of the lessons and practice activities can be used online or downloaded for offline use. The lessons range in difficulty from basic staff and clef recognition to more difficult topics like chord inversions.

Applications for Education
The lessons and practice activities on Music Theory.net have a wide enough range of difficulty to be used in elementary, middle, or high school settings.

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