Harmonic Progressions | Learning and Loving Music Theory - StumbleUponKelvin, You actually caught a mistake on the roman numerals! Thanks, I’ll have to fix that. The first and last chords of the progression are not 7th chords. Somehow I inadvertently typed “I7″ on the first chord of all the major keys. (Notice that I didn’t do that for the minor keys.) In the classical tradition, for the sake of stability, the first and last chords of a circle-of-fifths progression are usually triads, not 7th chords. Harmonic Sequences Part 2 In the jazz tradition all chords usually are 7ths, in which case the progression will start and end with 7th chords. Thanks again for your interest and input.
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