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====== Counterpoint (Bridge): Chapter 15 ======

===== Eight-Part Counterpoint For Two Choirs, Etc. =====

==== General Rules ====

In writing eight-part counterpoint, we sometimes arrange for a double choir of four parts each. In this case, the harmony for each choir should be (as far as possible) complete, and the two groups should move independently and antiphonally, but, of course, occasionally combining. When the choirs are thus divided, and four parts only are moving, the laws of four-part counterpoint must be observed (see Ex. 128).

==== Eight-Part Counterpoint For Two Choirs, Without Cantus Firmus. ====

{{ :bridges_counterpoint:15-ex128.png?800 |}}

{{ :bridges_counterpoint:15-ex128.mp3 |:bridges_counterpoint:15-ex128.ogg |}}

> In counterpoint for a double choir, the progression given in Ex. 123 (see [[bridges_counterpoint:counterpoint_in_five_or_more_parts|Chapter 14]]) is very useful, as can be seen in the //Basses// of the above example.

We may, of course, //combine// the different species in eight-part counterpoint. Example 129 has three parts in florid counterpoint and five in strict note against note. It is, however, almost impossible to produce anything satisfactory in so many parts, when the species are combined, particularly if two or more of them be in crotchets ((quarter notes)) or minims ((half notes)); and the author does not recommend students to waste their time on these inartistic musical puzzles. Florid counterpoint in seven or eight parts is, on the contrary, excellent practice, and perseverance will render it no less interesting than profitable.

{{ :bridges_counterpoint:15-ex129.png?800 |}}

{{ :bridges_counterpoint:15-ex129.mp3 |:bridges_counterpoint:15-ex129.ogg |}}

> In bar 8 of Ex. 129, a suspended seventh is heard together with the sixth, the latter //not// being "of the character of a passing note" (as was mentioned regarding Ex. 118 in [[bridges_counterpoint:counterpoint_in_five_or_more_parts|Chapter 14]]) ((The [dissonant combination of a suspension with its own resolution] should not be used in less than seven or eight parts, and the anticipation of the resolution should be by conjunct movement, and generally of the character of a passing note.)); the two notes, however, are separated by so large an interval, and accompanied by so many parts, that they may readily be allowed.

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