Theory 1, Fundamentals of Music Playlist:
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Diatonic Harmonization Playlist:
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Chromatic Harmonization Playlist:
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Twentieth Century Harmony Playlist:
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Jazz Piano and Music Theory Playlist:
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Here is a link to the Check Your Understanding examples in Mastery of Music Theory Book 1: MMT Book 1 Checks.

Here is a link to the Check Your Understanding examples in Mastery of Music Theory Book 2: MMT Book 2 Checks.

Here is a link to the Check Your Understanding examples in Mastery of Music Theory Book 3: MMT Book 3 Checks.