| Balanced Binary | When the parts of the binary form are of equal length.
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| Binary Form | A movement or portion of a movement that consists of two main sections (except that periods and double periods are not usually referred to as binary forms).
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| Coda | A special concluding section at the end of a form.
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| Continuous Binary | When the first section of a binary form ends with any other chord other than the tonic triad in the main key of the form.
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| Continuous Ternary | When the first section of a ternary form ends with any other chord other than the tonic triad in the main key of the form.
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| Rondo Form | A form in which the first theme is heard three or four times with contrasting material occurring between its appearances.
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| Rounded Binary Form | Refers to music in which the opening A section returns after contrasting material but in a considerably abbreviated form, as in AB1/2A.
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| Sectional Binary | When the first section of a binary form ends on the tonic triad in the main key of the form.
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| Sectional Ternary | When the first section of a ternary form ends on the tonic triad in the main key of the form.
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| Sonata Form | Consists of an Exposition with two tonal centers, a tonally unstable Development, and a tonic-centered Recapitulation that returns the material from the Exposition.
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| Ternary Form | Music that is in three parts, with the middle section providing contrast through the use of different melodic material, texture, tonality, or some combination of these and the third part returning all or most of the first.
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| Transitions | Used to connect different themes or tonal centers.
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| Two-Reprise Forms | Any work or portion of a work that consists of two repeated sections.
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| Unbalanced Binary | When the parts of the binary form are not of equal length.
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