R Shiny app that allows users to interact with Spotify's track audio features to analyze properties of musical genre categories that have formed over time.
Presentation slides: https://docs.google.com/presentation/d/1eDi5JRORXj86bDx5fR5U8Gq5OloN6KVT4B-Q-bFRDnM/edit?usp=sharing
Reference for Spotify's audio features: https://developer.spotify.com/documentation/web-api/reference/tracks/get-audio-features/