union pipes See uilleann pipes.

unison Interval between two notes of the same pitch; the simultaneous playing of the same note.

upbeat Last beat of a measure, a weak beat, which anticipates the downbeat (the first beat of the next measure).

This expansive melody in quadruple meter begins on the last beat (4) of the measure, anticipating the strong downbeat ( 4 | 1 - 2 - 3 - 4).


	Example: Brahms, Symphony No. 1, fourth movement
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