General terms:
* Rapid meter changes: This is a fairly descriptive term that captures the idea of frequent shifts in meter.
* Meter fluctuations: This emphasizes the unpredictable nature of the changes.
* Syncopated rhythm: While this generally refers to accents that fall off the beat, it can also suggest a sense of constantly shifting rhythm.
Musical terms:
* Hemiola: This refers to a rhythmic pattern where a group of three beats is treated as if it were two, creating a momentary change in the perceived meter.
* Polymeter: This refers to the simultaneous use of multiple meters, which could lead to a sense of constant movement between different meters.
Other options:
* Meter juggling: This informal term highlights the active and skillful nature of the meter changes.
* Metric displacement: This focuses on the shift in the perceived metrical grid.
The best term to use depends on the specific context and what you want to emphasize.
