The Pudding have a great interactive article showing the diversity of pop music across the decades. The article charts the similarity of hits based on their instrument gene, allowing you to filter by synth, guitar distortion or drums agressiveness among others. The article also ranks songs using the 8 data points of acousticness, danceablility, energy, instrumentalness, liveness, loudness, speechiness and valence in order to chart the similarity of songs across different decades.
