Effects of Tempo on the Timing of Simple Musical Rhythms
نویسندگان
چکیده
We investigated whether and how the timing of musical rhythms changes with tempo. Twelve skilled pianists played a monophonic 8-bar melody in 21 different rhythmic versions at 4 different tempi. Within bars, the rhythms represented two isochronous patterns and all possible ordered pairs and triplets of different note values with ratios from the set {3, 2, 1}. The 3-note rhythms also occurred in each of two meters (3/4 and 6/8). Significant deviations from the notated interval ratios were observed in performances of most rhythms, even at the slowest tempo. The observed ratios of the 2-note rhythms changed little with tempo. By contrast, those of the 3-note rhythms showed increasing assimilation of the two longer intervals as tempo increased, while the relative duration of the short interval was barely affected by tempo. These results replicate previous findings of Fraisse (1956), obtained in a nonmetrical and nonmusical context. At fast tempi, the distinction between three different interval durations seems difficult to maintain. Repp et al.: Rhythm and tempo Page 3
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