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bridges_counterpoint:second_species_in_three_parts [2017/07/22 21:38] – created brian | bridges_counterpoint:second_species_in_three_parts [2017/07/27 17:36] (current) – brian | ||
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==== Two Notes To One ==== | ==== Two Notes To One ==== | ||
- | Two notes are here written throughout one of the counterpoints to every note of the //cantus firmus//, with the exception of the first and last measures. The additional part, in this and the other species of three-part counterpoint, | + | Two notes are here written throughout one of the counterpoints to every note of the //cantus firmus//, with the exception of the first and last bars. The additional part, in this and the other species of three-part counterpoint, |
- | The unison and doubled major third should be avoided at the accented beat, but both, particularly the unison (between two of the parts only), may be used at the // | + | The unison and doubled major third should be avoided at the accented beat, but both, particularly the unison (between two of the parts only), may be used at the // |
- | Consecutive fifths and octaves upon accented beats should be avoided. They may occasionally appear between the counterpoint moving in half notes and one of the other parts, when one of the two is an inner part. Even in this case, which is not recommended, | + | Consecutive fifths and octaves upon accented beats should be avoided. They may occasionally appear between the counterpoint moving in half notes and one of the other parts, when one of the two is an inner part. Even in this case, which is not recommended, |
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+ | ===== Musical Examples ===== | ||
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===== Observations on Examples 75-80 ===== | ===== Observations on Examples 75-80 ===== | ||
- | **Ex. 75**: The fifths in measures | + | **Ex. 75**: The fifths in bars 4 and 5 being on unaccented beats are unobjectionable, |
**Ex. 76**: The lower part entering on the second beat causes the example to begin with a sixth. This is quite correct; the student must, however, be careful not to let an exercise begin with a fourth (as in Ex. 77), this interval being a discord between the //lowest// and an upper part (see [[bridges_counterpoint: | **Ex. 76**: The lower part entering on the second beat causes the example to begin with a sixth. This is quite correct; the student must, however, be careful not to let an exercise begin with a fourth (as in Ex. 77), this interval being a discord between the //lowest// and an upper part (see [[bridges_counterpoint: |