Unitary and Binary Structures:  Overview
Unitary and binary structures are modules that are either singular (unitary) or dual (binary) in construction.

The roots of binary structures can be traced to musical settings of the literary couplet.  When two lines of poetry share rhythm and rhyme, the usual musical setting is two phrases that are the same or similar, except for the end of each phrase.  This is the reverse of the lines being set, which are different until the end of each line, which is the same as or similar to its partner - that is to say, it rhymes.  In the musical setting, the first phrase is normally
open - unresolved - and the second phrase is closed - resolved.  In tonal music, this is normally a half-cadence in the first phrase, and a full cadence in the second phrase.
RIFFS
Unitary & Binary Structures
Overview
Lester Allyson Knibbs, Ph.D.
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Introduction

The Chaconne

Cadential Structure

Unitary & Binary Structures ---

Linear & Periodic Structures

Riff Modalities

Structural Counterpoint

Modular Composition

Appendices
Overview

In the Music of Bach

In Cadential Structure

In Symphonic Composition

In Twentieth Century Music

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