Duple and quadruple metre
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Duple metre (or Am. duple meter, also known as duple time) is a musical metre characterized by a primary division of 2 beats to the bar, usually indicated by 2 and multiples (simple) or 6 and multiples (compound) in the upper figure of the time signature, with 2
2 (cut time), 2
4, and 6
8 (at a fast tempo) being the most common examples.
Shown below are a simple and a compound duple drum pattern.
Though it must, the upper figure being divisible by 2 does not of itself indicate duple metre.
The most common time signature in rock, blues, country, funk, and pop is 4
4. Although jazz writing has become more adventurous since Dave Brubeck's Time Out, the majority of jazz and jazz standards are still in four time.
Quadruple metre (also quadruple time) is a musical metre characterized in modern practice by a primary division of 4 beats to the bar, usually indicated by 4 in the upper figure of the time signature, with 4
4 (common time, also notated as ) being the most common example.
Shown below are a simple and a compound quadruple drum pattern.