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Seventh chord - Wikipedia, the free encyclopedia (805 words) |
 | Called the Dominant Seventh because its intervallic relationships occur naturally in the seventh chord built on the dominant scale degree of a given key (e.g., G7 in the key of C major), the dominant seventh chord was the first to begin to appear regularly in Western music. |
| The dominant seventh chord is useful to composers because it is a major chord with a very strong sound, that also includes a tritone between the third and seventh of the chord. |
| While the dominant seventh chord is typically built on the fifth (or dominant) degree of a major scale, the minor seventh chord is built on the second, third, or sixth degree. |
| Major seventh - Wikipedia, the free encyclopedia (214 words) |
| The prefix 'major' identifies it as being the larger of the two (by one chromatic semitone); its smaller counterpart being a minor seventh. |
| The major seventh is abbreviated as M7 and its inversion is the minor second. |
| The major seventh is considered one of the most dissonant intervals after its inversion the minor second. |
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