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Work Title
Variations II
Composed in 1961. Premiered in New York, March 24, 1961.
Ensemble Type
Parts to be prepared from the score, for any number of players, using any sound-producing means.
The materials for this work consist of 5 small transparencies with a single point on each, and 6 larger transparencies with one line on each. These may be superimposed in any way, creating a configuration of points and lines, to be interpreted as a way of producing sounds. This is achieved by dropping perpendiculars from the points to all of the lines (creating a total of 30 perpendiculars). Measurements of the perpendiculars are used to obtain readings for frequency, amplitude, timbre, duration, points of occurrence within the established period of time, and structure of the event (number of sounds).
Peters Edition EP 6768