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open form

open form. A structural procedure whereby the sequence and/or construction of parts of a notated work are variable. First employed by Ives, Cowell, and Grainger, but developed as indeterminacy by Cage and Earle Brown. In Boulez's 3rd pf. sonata, for example, the 5 movts. may be played in any order except the 3rd which must stay central.

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"open form." The Concise Oxford Dictionary of Music. . Encyclopedia.com. 17 Aug. 2017 <http://www.encyclopedia.com>.

"open form." The Concise Oxford Dictionary of Music. . Encyclopedia.com. (August 17, 2017). http://www.encyclopedia.com/arts/dictionaries-thesauruses-pictures-and-press-releases/open-form

"open form." The Concise Oxford Dictionary of Music. . Retrieved August 17, 2017 from Encyclopedia.com: http://www.encyclopedia.com/arts/dictionaries-thesauruses-pictures-and-press-releases/open-form

open form

open form In crystallography, crystal faces are often described in groups (‘forms’); if the form is open at each end (i.e. it does not totally enclose space), it is called an ‘open form’, e.g. the four prismatic faces of a tetragonal crystal. Compare CLOSED FORM.

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"open form." A Dictionary of Earth Sciences. . Encyclopedia.com. 17 Aug. 2017 <http://www.encyclopedia.com>.

"open form." A Dictionary of Earth Sciences. . Encyclopedia.com. (August 17, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/open-form

"open form." A Dictionary of Earth Sciences. . Retrieved August 17, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/open-form