The Changing Sound of Music: An Exploratory Corpus Study of Vocal Trends Over Time
Year: 2024
Type: conference-paper
Abstract: Recent advancements in audio processing provide a new opportunity to study musical trends using quantitative methods. While past work has investigated trends in music over time, there has been no large-scale study on the evolution of vocal lines. In this work, we conduct an exploratory study of 145,912 vocal tracks of popular songs spanning 55 years, from 1955 to 2010. We use source separation to extract the vocal stem and fundamental frequency (f0) estimation to analyze pitch tracks. Additionally, we extract pitch characteristics including mean pitch, total variation, and pitch class entropy of each song. We conduct statistical analysis of vocal pitch across years and genres, and report significant trends in our metrics over time, as well as significant differences in trends between genres. Our study demonstrates the utility of this method for studying vocals, contributes to the understanding of vocal trends, and showcases the potential of quantitative approaches in musicology.
Authors: Elena Georgieva, Pablo Ripollés, Brian McFee
Language: English
Topic: Music and Audio Processing
Subfield: Signal Processing
Field: Computer Science
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W6949469262
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