Metallic harmony
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Metallic harmony is an approach of building harmony based on sevenths rather than thirds to produce consonant, resolved, sororities. Specifically, Metallic harmony treats 7/4 as the most consonant interval next to the octave. As a result, tunings that do not approximate 7/4 decently do not support metallic harmony. In addition, there must be an additional size of seventh/sixth that "clicks" with the 7/4. The most common interval is 11/6 or the neutral 7th but intervals such as 12/7 and 19/11 are also notable possibilities. These sevenths chords have a characteristic metallic somewhat cold quality which earns them their name, metallic. ==Basic Chord Types== There are symmetrical and asymmetrical chords in metallic harmony. Asymmetric chords have a more rooted sound while symmetrical chords sound more ambiguous. However, because metallic chords use only foreign intervals, they tend to sound exotic, or like metal. The beauty however is that they are capable of expressive harmony if used correctly. The two types of asymmetric triads soft and hard. Soft triads place the 7/4 on top of the chord while hard triads place it on the bottom. The names come from that if when the 7/4 is placed on top, the chord sounds smoother and mellow, on the bottom the chord has a rougher, JI crunch to it. Both are very nice chords but soft chords are more dissonant than hard chords regardless of what the names might suggest. Listen to the Hard and Soft triads:
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<html><head><title>Metallic Harmony</title></head><body>Metallic harmony is an approach of building harmony based on sevenths rather than thirds to produce consonant, resolved, sororities. Specifically, Metallic harmony treats 7/4 as the most consonant interval next to the octave. As a result, tunings that do not approximate 7/4 decently do not support metallic harmony. In addition, there must be an additional size of seventh/sixth that "clicks" with the 7/4. The most common interval is 11/6 or the neutral 7th but intervals such as 12/7 and 19/11 are also notable possibilities. These sevenths chords have a characteristic metallic somewhat cold quality which earns them their name, metallic. <br /> <br /> <!-- ws:start:WikiTextHeadingRule:0:<h2> --><h2 id="toc0"><a name="x-Basic Chord Types"></a><!-- ws:end:WikiTextHeadingRule:0 -->Basic Chord Types</h2> <br /> There are symmetrical and asymmetrical chords in metallic harmony. Asymmetric chords have a more rooted sound while symmetrical chords sound more ambiguous.<br /> However, because metallic chords use only foreign intervals, they tend to sound exotic, or like metal. The beauty however is that they are capable of expressive harmony if used correctly. The two types of asymmetric triads soft and hard. Soft triads place the 7/4 on top of the chord while hard triads place it on the bottom. The names come from that if when the 7/4 is placed on top, the chord sounds smoother and mellow, on the bottom the chord has a rougher, JI crunch to it. Both are very nice chords but soft chords are more dissonant than hard chords regardless of what the names might suggest. <br /> <br /> Listen to the Hard and Soft triads:</body></html>