Bustin’ Out: The Evolution of Novelty and Diversity in Recorded Music
2022; Emerald Publishing Limited; Linguagem: Inglês
10.1108/s0733-558x20220000077007
ISSN0733-558X
AutoresGiacomo Negro, Balázs Kovács, Glenn R. Carroll,
Tópico(s)Music Technology and Sound Studies
ResumoUsing a novel measure incorporating stylistic and acoustic data on recorded music from 1967 to 2017, we search for trends in the evolution of musical diversity in 125,340 albums. We find that temporal patterns of diversity differ for stylistic and acoustic data. We also find that the patterns differ dramatically by genre. Some genres, such as blues, jazz, and pop-rock, decrease in diversity over time; most other genres increase in diversity. The causes of these different trends present a puzzle for future research. We also find different patterns for recordings that made the Billboard 200 charts compared to all recordings, suggesting an association between selection processes driven by consumer popularity and diversity. Moreover, associations of diversity and industry structure found in prior research do not hold when we analyze data beyond the smaller sample of the more popular recordings found in Billboard. These findings have implications for many prior studies based exclusively on best-selling recordings
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