Quadruple meter
Encyclopedia
Quadruple meter is a musical meter characterized in modern practice by a primary division of 4 beats to the bar (Anon. 2001), usually indicated by 4 in the upper figure of the time signature
Time signature
The time signature is a notational convention used in Western musical notation to specify how many beats are in each measure and which note value constitutes one beat....

, with 4/4 being the most common example.
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