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A previous analysis of fluctuations in a virtuoso (Jeff Porcaro) drumperformance [R\"as\"anen et al., PLoS ONE 10(6): e0127902 (2015)] demonstratedthat the rhythmic signal comprised both long range correlations and short rangeanti-correlations, with a characteristic timescale distinguishing the tworegimes. We have extended R\"as\"anen et al.'s approach to a much larger numberof drum samples (N=132, provided by a total of 58 participants) and to adifferent performance (viz., Rush's Tom Sawyer). A key focus of our study wasto test whether the fluctuation dynamics discovered by R\"as\"anen et al. are"universal" in the following sense: is the crossover from short-range tolong-range correlated fluctuations a general phenomenon or is it restricted toparticular drum patterns and/or specific drummers? We find no compellingevidence to suggest that the short-range to long-range correlation crossoverthat is characteristic of Porcaro's performance is a common feature of temporalfluctuations in drum patterns. Moreover, level of experience and/or playingtechnique surprisingly do not play a role in influencing a short-range tolong-range correlation cross-over. Our study also highlights that a great dealof caution needs to be taken when using the detrended fluctuation analysistechnique, particularly with regard to anti-correlated signals.

Rushing or Dragging? An Analysis of the "Universality" of Correlated Fluctuations in Hi-Hat Timing and Dynamics