Background and Aim:
Findings from performance timing experiments have shown that drummers are able to systematically play stroke onsets significantly earlier and later than an instructed on-the-beat performance (Câmara et al., 2020; Danielsen et al., 2015), and purportedly able to further control the degree of onset asynchrony between the various constituent instruments of the drum-kit (Câmara and Danielsen, 2019). Previous investigations have focused on comparing average statistical trends of onset timing between timing styles across entire groups of drummers. In this study, we map performance strategies present at the individual participant level and categorize the different archetypical ways in which drummers express different timing styles. We focus on the onset asynchrony and intensity of strokes between drum-kit instruments, and in relation to a metrical grid, and hypothesize that drummers employ consistent strategies to achieve different desired timing styles, choosing different instruments (snare/kick/hi-hat) in the rhythmic pattern to generate in-sync, late, and early timing performances.
Methods:
In a previous experiment (Câmara et al., 2020), twenty-two drummers were instructed to play a basic “back-beat” pattern along to a metronome and a pre-recorded instrumental track in three different timing conditions: laid-back, on-the-beat, and pushed. Here, we conduct a hierarchical cluster analysis of various onset and intensity features in this data set, combined with phylogenetic tree visualizations to provide an overview of the strategies used by the drummers to distinguish laid-back/pushed from on-the-beat performances. Furthermore, we encode the features of the onset or intensity clusters into microtiming archetypes that visually summarize the general characteristics of the drummers’ strategy in each cluster.
Results:
Overall, three overarching onset strategies were used to distinguish pushed/laid-back from on-the-beat performances: (1) strong “general earliness/lateness” strategies: most instruments are consistently played earlier/later in time relative to the grid; (2) subtler “early/late flam” strategies: most instruments are played synchronously with the grid but at least one instrument is played distinctively early/late ; and (3) even subtler “ambiguously early/late compound sound” strategies: two instruments are played synchronously in relation to each other as a compound sound, but one instrument is played synchronous with the grid and the other is played early/late. While no clear intensity manipulation patterns emerged to exclusively distinguish laid-back/pushed timing, they serve as a means of enhancing or diminishing the effect of intentionally produced asynchronies.
Conclusion:
Results indicate that performers utilize a range of inter-instrument onset timing and intensity relationships to express microrhythmic feel in groove performance, that is, different drummers use different means to achieve the same desired feel.
Implications:
The novel methods developed in this study may be applied to analysis of commercial recordings to provide insight into the idiomatic timing–sound strategies of influential performers and/or genres/styles more generally.
References:
Câmara, G. S., & Danielsen, A. (2019). Groove. In A. Rehding & S. Rings (Eds.), The Oxford handbook of critical concepts in music theory (pp. 271–294). Oxford University Press.
Câmara, G. S., Nymoen, K., Lartillot, O., & Danielsen, A. (2020). Timing Is Everything . . . or Is It? Effects of Instructed Timing Style, Reference, and Pattern on Drum Kit Sound in Groove-Based Performance. Music Perception, 38(1), 1–26.
Danielsen, A., Waadeland, C. H., Sundt, H. G., & Witek, M. A. G. (2015). Effects of instructed timing and tempo on snare drum sound in drum kit performance. Journal of the Acoustical Society of America, 138(4), 2301–2316.
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