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RecordNumber
1857
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Author
Kerkez, Boris
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Title of Article
Extension of Neo-Riemannian PLR-group to Seventh Chords
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Title Of Journal
Bridges
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Publication Year
2012
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Page
485-488
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Notes
Bridges 2012: Mathematics, Music, Art, Architecture, Culture , براي دانلود و مشاهده مقاله به قسمت لينكهاي مرتبط مراجعه نماييد
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Abstract
This paper extends the concept of the PLR-group from the neo-Riemannian theory, which acts on the set of major and minor triads, to a PS-group, which acts on the set of major and minor seventh chords. Like the PLR-group, the PS-group is isomorphic to D12, the dihedral group of order 24, and only compositions of two operations are needed to generate all group elements. Unlike the actions from PLR-group, there are only two operations that both preserve the closure of the set of major and minor seventh chords, as well as map three out of four notes from a chord to a resulting image.
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URL
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Link To Document :
