Eight to the Bar

Eight to the Bar

The time signature (also known as meter, metre, and measure signature) is a convention in Western music notation to specify how many of a particular note value are contained in each measure (bar). The time signature is a notational device representing the meter, an auditory feature of the music. In a music score the time signature appears at the beginning as a time symbol or stacked numerals, such as or 44 (read common time or four-four time, respectively), immediately following the key signature (or immediately following the clef symbol if the key signature is empty). A mid-score time signature, usually immediately following a barline, indicates a change of meter. Most time signatures are either simple (the note values are grouped in pairs) or compound (grouped in threes). Less-common signatures correspond to complex, mixed, additive, and irrational meters.

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