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Seven Harmonies Examples

© 2006 Music Awareness

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The 5 of 5 harmony

Roman numeral code: V / V
Scale notes: 2, #4, 6
Mode: major

Attributes: boldness, power, surprise, unexpected

5 of 5, also called the secondary dominant, adds power and excitement to music. It is frequently heard in all types of music.

5/5 is a chord borrowed from a different key: the key defined by the 5 chord. It is the 5 harmony of that key. So 5/5 bears the same relationship to 5 that 5 bears to 1.

Notice how it sounds like it is outside the confines of the original key, and serves to accent the 5 harmony.

The sequence 5/5 -> 5 -> 1 is an especially powerful cadence.