(The title is) Two Lines. It's a long-ish piece for a medium-sized orchestra, divided in two not-quite equal parts in a fairly eccentric way, but seating ordinarily, the ensembles are not physically divided, but dovetailed. And each of the two orchestras plays a long, independent melody, each an "orchestrated unison" (with some tactical intervallic, chordal, and aggregate (including unpitched percussion) doublings). The two orchestras share a common pulse and a notationally convenient metre, but are generally independent with some distinct qualities (i.e. one has a lot of repeated tones and florid ornaments, the other has only very short and very long tones ornamented only by slow portamenti), coming together — which can mean at a unison or a consonance or some complementarity — only at major structural points (like Javanese seleh) triggered by rhythmic and tonal approchements.
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