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About this paper

Aayam Bansal, Raghav Agarwal, Kaashvi Jain

A computational analysis of 3,814 hip-hop songs reveals systematic patterns in linguistic complexity and cultural expression over four decades (1980-2020), demonstrating a 23.7% increase in vocabulary diversity and 34.2% increase in rhyme density while tracking shifts in thematic content and sentiment across different geographic regions and time periods.

Key insights

  • Technical complexity in lyrics increased consistently over time, with distinct regional patterns
  • Thematic content shifted from social justice (28.5% in 1980s to 13.8% in 2020s) toward more introspective themes
  • Five distinct stylistic approaches emerged: technical-focused, narrative-driven, socially conscious, commercially oriented, and experimental

Summary by alphaXiv.

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