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128 Extempore Playing |
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When possible, the cadence should be the regular progression of root falling a fifth, as in the modern perfect cadence; but, when this is not available, some other smooth progression may be taken. There was, however, one important condition: the final chord should include a major third, and the penultimate chord should usually also have a major third. This is what will chiefly distinguish the ancient mode from the modern scale.
To harmonize the first four modes we may use these chords: |
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These harmonizations may be freely varied by adding passing-notes, suspensions, etc.; e.g.,
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