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In music, a linear progression (''Auskomponierungszug'' or ''Zug'', abbreviated: ''Zg.'') is a passing note elaboration involving stepwise melodic motion in one direction between two harmonic tones.〔Pankhurst, Tom (2008). ''Schenker Guide: A Brief Handbook and Website for Schenkerian Analysis'', p.243 and 27. ISBN 0-415-97398-8.〕 "The compositional unfolding of a specific interval, one of the intervals of the chord of nature."〔Jonas, Oswald (1982). ''Introduction to the Theory of Heinrich Schenker'', p.62. (1934: ''Das Wesen des musikalischen Kunstwerks: Eine Einführung in Die Lehre Heinrich Schenkers''). Trans. John Rothgeb. ISBN 0-582-28227-6. The mention of the "chord of nature" in this context reflects Jonas' own opinion, which Schenker would not have shared, if only because the minor chord cannot be a "chord of nature". See Klang (music).〕 For example: -- over the tonic.〔Felix Salzer, introduction to the Dover edition of Schenker, Heinrich (1969). ''Five Graphic Music Analyses'', p.14. ISBN 0-486-22294-2.〕 According to Schenker: "A linear progression always presupposes a passing note; there can be no linear progression without a passing note, no passing note without a linear progression."〔Heinrich Schenker, ''Das Meisterwerk in der Musik'' II (1926), p. 24. English translation by J. Rothgeb, 1996, p. 9.〕 In German ''Zug'' may be combined with prefixes to create related words such as ''Untergreifzug'', a linear progression rising from a lower voice, ''Uebergreifzug'' ("reaching over"), a linear progression overlapping another, or ''Terzzug'', linear progression through a third.〔Felix Salzer, Glossary to Schenker (1969), p.26.〕 The term ''Zug'' may best be translated as "a direct, unimpeded motion from one place to another."〔Snarrenberg, Robert (1997). ''Schenker's Interpretive Practice'', p.19. ISBN 0-521-49726-4.〕 Linear progressions prolong harmonies and through elaboration, or filling-in with dissonant notes, of a leap between two consonant notes from different voices in a chord.〔Pankhurst (2008), p.28.〕 In English they may be abbreviated "prg." such as 3-prg. for 'third progression' (rather than "Zg.").〔 Note that the Mozart example above that the passing tones are dissonant and unable to be embellished, however, in the Urlinie example to the right the passing tone is supported harmonically, allowing for embellishment.〔 Also note the Schenkerian notation indicating relative hierarchical depth, surface or structural importance, where structural notes are indicated through stems and beams and surface notes are indicated through note heads only which are then slurred to stemmed and beamed notes. Thus in the bottom right example the third progression from D is a decoration of the deeper third progression from E.〔 ==See also== *Chord progression *Klang (music) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Linear progression」の詳細全文を読む スポンサード リンク
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