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In music and musical analysis, a subsidiary chord is an elaboration of a principal harmonic chord in a chord progression. If the principal chord (''X'') is partially replaced by the subsidiary (''Y''), there are three possible positions - beginning, middle, and end - for the subsidiary:〔van der Merwe, Peter (2005). ''Roots of the Classical: The Popular Origins of Western Music'', p.501. ISBN 0-19-816647-8.〕 :''X–Y'' :''Y–X'' :''X–Y–X'' For example, a subsidiary chord in a modulation. A subsidiary chord may be a chord with related function and/or sharing pitches, for example in E major, Cm (C-E-G) as a subsidiary for E (E-G-B), which share two of three pitches and are related as tonic parallel (vi) and tonic (I). ==See also== *Parallel chord *Primary triad 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「subsidiary chord」の詳細全文を読む スポンサード リンク
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