Emotions in Japanese song lyrics over 50 years: Trajectory over time and the impact of economic hardship and disasters

Current research in ecological and social psychology Pub Date : 2025-01-01 DOI:10.1016/j.cresp.2025.100218

Hiroki Masui, Yuri Miyamoto

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Abstract

The present work investigated changes in collective level emotions and their socio-ecological predictors through analyses of song lyrics from 1970 to 2019 that appeared in Japan's top-100 chart (n = 3646 songs). The linguistic analyses of emotion words revealed an increasing trend of anxiety and a decreasing trend of sadness over the fifty years. Furthermore, the present research tested socio-ecological factors, namely economic hardship and disasters, as predictors of emotional content of the lyrics. Advanced time-series analyses, including Granger causality tests, suggested that economic hardships preceded a rise in negative emotions in lyrics, specifically anxiety. Moreover, an increase in disaster-related fatalities was found to precede a rise in positive emotions in lyrics, possibly reflecting a community's unity in the face of adversity. The study highlights how socio-ecological factors shape emotions in cultural products like song lyrics, offering insights into collective level emotions and their dynamics.

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50年来日本歌词中的情感：时间的轨迹和经济困难和灾难的影响

本研究通过分析1970年至2019年出现在日本百强歌曲榜上的歌词（n = 3646首歌曲），调查了集体层面情绪的变化及其社会生态预测因素。情感词汇的语言学分析显示，近50年来，焦虑词汇呈现上升趋势，悲伤词汇呈现下降趋势。此外，本研究还测试了社会生态因素，即经济困难和灾害，作为歌词情感内容的预测因子。包括格兰杰因果关系测试在内的高级时间序列分析表明，经济困难先于歌词中负面情绪的增加，特别是焦虑。此外，与灾害有关的死亡人数的增加被发现先于歌词中积极情绪的增加，这可能反映了一个社区在面对逆境时的团结。这项研究强调了社会生态因素如何在歌词等文化产品中塑造情感，为集体情感及其动态提供了见解。

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