Chapter

NI-Meters in Theory and Practice

Justin London

in Hearing in Time

Published in print September 2004 | ISBN: 9780195160819
Published online September 2007 | e-ISBN: 9780199786763 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780195160819.003.0009
NI-Meters in Theory and Practice

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The chapter begins with some general considerations of the effect of the overall size of an NI meter (cardinality) and interactions between NI meters and NI rhythms. Scale theory (that is, the constraints on well-formed musical scales) is applied to rhythmic patterns that are either over- or under-determined relative to a potential meter. NI meters in the context of various pulse cycles (from 8 to 16 pulses) are then considered, along with musical examples of each from western and non-western musical sources. The well-formedness constraint introduced in the previous chapters is refined: maximally-evenness must be judged for the entire metric hierarchy, and not just relative to a particular metrical cycle. The tweleve cycle is also shown to be particularly rich in affording both isochronous and NI metric possibilities.

Keywords: scale theory; cardinality; Bell Pattern; Tāla; hierarchic maximal evenness

Chapter.  8411 words.  Illustrated.

Subjects: Cognitive Psychology

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