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The C 6 (add9) - a five-tone, which is part of the standard harmonic repertoire in jazz, but is more an exception than the rule in classical music (like most other five-tone notes).

In music, the term five-tone denotes a chord in which five notes sound at the same time. It is important that the tones are different; thus z. B. a C major triad c '- e' - g '- c' '-e' 'as a triad, since two tones of this chord are only tone doublings (as in this case double root and double third) .

In conventional music, five-notes occur less often than three- notes and four-notes . Probably the most prominent exception is jazz music , as a large part of the harmonic material used here is based on five notes. Here are seventh chords that with option notes were enriched, particularly common. Examples are C maj7 / 9 or C maj7 (add13) .

Depending on the epoch, five-note chords can also be found in classical music, especially as a dominant seventh chord , which sounds much more tense than the much more common, normal dominant seventh chord (with a small seventh but without a ninth), especially when the ninth is a ninth little none act. Other examples here are the beta , gamma, and delta chords, as well as five-note clusters . It is also possible to add a sixth and another optional tone to a triad , as can be seen in the music example.