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See also:FUGUE (See also:Lat. fuga, See also:flight) , in See also:music, the mutual "pursuit" of voices or parts . It was, up to the end of the 16th See also:century, if not later, the name applied to two See also:art-forms . (A) Fuga ligata was the exact See also:reproduction by one or more voices of the statement of a leading See also:part . The reproducing See also:voice (comes) was seldom if ever written out, for all See also:differences between it and the See also:dux were rigidly systematic; e.g. it was an exact See also:inversion, or exactly twice as slow, or to be sung backwards, &c . &c . Hence, a See also:rule or See also:canon was given, often in enigmatic See also:form, by which the comes was deduced from the dux: and so the See also:term canon became the appropriate name for the form itself, and is still retained . (B) A See also:composition in which the canonic See also:style was cultivated without canonic restriction was, in the 16th century, called fuga ricercata or simply a ricercare, a term which is still used by See also:Bach as a See also:title for the fugues in Das musikalische Opfer . The whole conception of See also:fugue, rightly understood, is one of the most important in music, and the reasons why some contrapuntal compositions are called fugues, while others are not, are so trivial, technically as well as aesthetically, that we have II preferred to treat the subject separately under the See also:general heading of CONTRAPUNTAL FORMS, reserving only technical terms for See also:definition here . (i.) If in the beginning or " exposition " the material with which the opening voice accompanies the See also:answer is faithfully reproduced as the See also:accompaniment to subsequent entries of the subject, it is called a countersubject (see See also:COUNTERPOINT, under sub-heading See also:Double Counterpoint) . Obviously the See also:process may be carried further, the first countersubject going on to a second when the subject enters in the third part and so on . The term is also applied to new subjects appearing later in the fugue in See also:combination (immediate or destined) with the See also:original subject . See also:Cherubini, holding the See also:doctrine that a fugue cannot have more than one subject, insists on applying the term to the less prominent of the subjects of what are commonly called double fugues, i.e. fugues which begin with two parts and two subjects simultaneously, and so also with triple and quadruple fugues .
(ii.) Episodes are passages separating the entries of the subject.' Episodes are usually See also:developed from the material of the subject and countersubjects; they are very rarely See also:independent, but then conspicuously so
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(iii.) Stretto, the overlapping of subject and answer, is a resource the possibilities of which may be exemplified by the setting of the words omnes generationes in Bach's Magnificat (see BACH)
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(iv.) The distinction between real and tonal fugue, which is still sometimes treated as a thing of See also:great See also:historical and technical importance, is really a See also:mere detail resulting from the fact that a violent oscillation between the keys of tonic and dominant is no part of the See also:function of a fugal exposition, so that the answer is (especially in its first notes and in points that tend to shift the See also: (the term codetta is more correctly applied to notes filling in a See also:gap between subject and its first answer, but such a gap is rare in See also:good examples).of Bach . Every word is a definition, both retrospective and prophetic; and in " transverse " we see all that See also:Sir See also:Frederick See also:Gore See also:Ouseley expresses in his popular distinction between the " perpendicular " or homophonic style in which See also:harmony is built up in chords, and the " See also:horizontal " or polyphonic style in which it is See also:woven in threads of independent See also:melody . (D . F . |
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