What is a Polymeter?

Polymeter is a musical technique in which two or more different time signatures occur simultaneously in separate parts of a piece. Each part follows its own meter and pattern of accents, creating overlapping rhythmic structures that interact with one another.

In polymeter, the underlying beat often remains consistent, but the grouping of beats differs between parts. For example, one instrument might play in 3/4 time while another plays in 4/4 time, causing the rhythmic accents to shift against each other as the music progresses. Over time, the patterns cycle and eventually realign.

Polymeter is used in many styles of music, including classical, jazz, progressive rock, and world music traditions. Composers and performers use polymeter to create rhythmic complexity, tension, and evolving groove patterns that add depth and movement to a musical composition.