A big data analysis has shown that music has become progressively less varied since the 1960s: http://blogs.scientificamerican.com/observations/is-pop-music-evo

A big data analysis has shown that music has become progressively less varied since the 1960s: http://blogs.scientificamerican.com/observations/is-pop-music-evolving-or-is-it-just-getting-louder/ http://blogs.scientificamerican.com/observations/is-pop-musi...