Interpersonal musical entrainment—temporal synchronization and coordination between individuals in musical contexts—is a ubiquitous phenomenon related to music’s social functions of promoting group bonding and cohesion. Mechanisms other than sensorimotor synchronization are rarely discussed, while little is known about cultural variability or about how and why entrainment has social effects. In order to close these gaps, we propose a new model that distinguishes between different components of interpersonal entrainment: sensorimotor synchronization —a largely automatic process manifested especially with rhythms based on periodicities in the 100–2000 ms timescale—and coordination , extending over longer timescales and more accessible to conscious control. We review the state of the art in measuring these processes, mostly from the perspective of action production, and in so doing present the first cross-cultural comparisons between interpersonal entrainment in natural musical performances, with an exploratory analysis that identifies factors that may influence interpersonal synchronization in music. Building on this analysis we advance hypotheses regarding the relationship of these features to neurophysiological, social, and cultural processes. We propose a model encompassing both synchronization and coordination processes and the relationship between them, the role of culturally shared knowledge, and of connections between entrainment and social processes.

Many foundational questions in the psychology of music require cross-cultural approaches, yet the vast majority of work in the field to date has been conducted with Western participants and Western music. For cross-cultural research to thrive, it will require collaboration between people from different disciplinary backgrounds, as well as strategies for overcoming differences in assumptions, methods, and terminology. This position paper surveys the current state of the field and offers a number of concrete recommendations focused on issues involving ethics, empirical methods, and definitions of “music” and “culture.”

A bsolute pitch (AP)— an ability to identify an isolated pitch without musical context—is commonly believed to be a valuable ability for musicians. However, relative pitch (RP)—an ability to perceive pitch relations—is more important in most musical contexts. In this study, music students in East Asian and Western countries (Japan, China, Poland, Germany, and USA) were tested on AP and RP abilities. In the AP test, 60 single tones were presented in a quasirandom order over a five-octave range. In the RP test, ascending musical intervals from 1 to 11 semitones were presented in four different keys. Participants wrote down note names in the AP test and scale-degree names or musical interval names in the RP test. The conservatory-level Japanese students showed the highest AP performance and more than half of them were classified as accurate AP possessors, but only 10% were classified as accurate RP possessors. In contrast, only a small percentage of participants from Poland, Germany, and the USA were identified as accurate AP possessors, whereas many more were accurate RP possessors. Participants from China were typically intermediate on both measures. These noticeable contrasts between AP and RP performance in different countries suggest influences of the underlying socio-cultural conditions, presumably relating to music education. Given the importance of RP in music, the results suggest that more emphasis should be place on RP training, particularly in East Asian countries.

T he present study has investigated the minimal-distance hypothesis in music ( Langlois & Roggman, 1990 ; Repp, 1997 ) by replicating Repp's original study (1997) on the aesthetic quality of an averaged performance—compared to individual interpretations—of Robert Schumann's Träumerei (Op. 15, No. 7). Participants ( N = 205) came from Germany and Taiwan and made up a convenience sample representing different degrees of musical sophistication. We used a 2 × 4 mixed methods design that compared the country of data collection (between factor) and the four selected interpretations (within factor). The dependent variable was a unidimensional construct describing the musical quality, which was developed with an exploratory factor analysis followed by a probabilistic item analysis. It was found that the evaluation of Taiwanese and German participants did not differ, but the ratings for the various interpretations successfully replicated Repp's results: The average performance was rated better than the individual performances, and the lowest rated performance from the original study was rated lowest in this replication as well (large effect size). The confirmation of this central effect in music perception research might be an incentive for further replication studies in music psychology.

There has recently been renewed interest in using quantitative data to explore questions about musical universals. One explanation for certain musical universals is that they reflect ways of singing that are most energetically efficient, as opposed to biological specializations for human music. Previous research found support for this “motor constraint hypothesis” by comparing pitch contour shapes in samples of human and avian songs, but the sample of human songs was limited to notated scores of European and Chinese folk songs from the Essen database. Here we test this hypothesis using a more diverse global sample of human music recordings from the Garland Encyclopedia of World Music . By directly comparing pitch contour shapes in a diverse sample of human songs and bird songs, we found that both human and bird songs tend to employ similar descending/arched melodic contours despite substantial differences in absolute pitch and duration. This preference was consistent for both Western and non-Western songs. Surprisingly, we also found that the global samples of human and bird song contours were significantly more correlated with one another than either was with the Essen contours. Our findings of broad cross-cultural and cross-species parallels support the motor constraint hypothesis for melodic contour. More generally, our findings demonstrate the importance of greater collaboration between ethnomusicology and music psychology.

We used Toiviainen and Krumhansl’s (2003) concurrent probe-tone technique to track Indian and Western musicians’ tonal-hierarchy profiles through modulations in Carnātic (South Indian classical) music. Changes of mode (rāgam) are particularly interesting in Carnātic music because of the large number of modes (more than 300) in its tonal system. We first had musicians generate profiles to establish a baseline for each of four rāgams in isolation. Then we obtained dynamic profiles of two modulating excerpts, each of which incorporated two of the four baseline rāgams. The two excerpts used the two techniques of modulation in Carnātic music: grahabēdham (analogous to a Western shift from C major to A minor), and rāgamālikā (analogous to a shift from C major to C minor). We assessed listeners’ tracking of the modulations by plotting the correlations of their response profiles with the baseline profiles. In general, the correlation to the original rāgam declined and the correlation to the new rāgam increased with the modulation, and then followed the reverse pattern when the original rāgam returned. Westerners’ responses matched those of the Indians on rāgams with structures similar to Western scales, but differed when rāgams were less familiar, and surprisingly, they registered the shifts more strongly than Indian musicians. These findings converged with previous research in identifying three types of cues: 1) culture-specific cues—schematic and veridical knowledge—employed by Indians, 2) tone-distribution cues—duration and frequency of note occurrence—employed by both Indians and Westerners, and 3) transference of schematic knowledge of Western music by Western participants.

This paper proposes a model that aims to illustrate how different human music cultures intersect and “dock in” to a set of music features that are universally perceived, while also displaying culture-specific features that must be learned. The model emphasizes that over historic time the music in a given culture can “dock into” and “dock out of” cues that are universally perceived, shifting its potential for cross-cultural perception and interaction. While this model accounts for music ethnological evidence reviewed here, it also explains why universals of music perception cannot simply be determined by specifying the common denominator between the formal music features of all cultures. This report suggests that the Dock-in Model can be generalized to account for cross-cultural perception more generally.

polyphonic timbre perception was investigated in a cross-cultural context wherein Indian and Western nonmusicians rated short Indian and Western popular music excerpts (1.5 s, n = 200) on eight bipolar scales. Intrinsic dimensionality estimation revealed a higher number of perceptual dimensions in the timbre space for music from one's own culture. Factor analyses of Indian and Western participants' ratings resulted in highly similar factor solutions. The acoustic features that predicted the perceptual dimensions were similar across the two participant groups. Furthermore, both the perceptual dimensions and their acoustic correlates matched closely with the results of a previous study performed using Western musicians as participants. Regression analyses revealed relatively well performing models for the perceptual dimensions. The models displayed relatively high cross-validation performance. The findings suggest the presence of universal patterns in polyphonic timbre perception while demonstrating the increase of dimensionality of timbre space as a result of enculturation.