Isn't it always the same? This question could be easily posed while listening to the music of any mainstream radio station in a western country. Like language, music is a human universal involving perceptually discrete elements displaying organization1. Therefore, contemporary popular music may have a well-established set of underlying patterns and regularities1,2,3,4, some of them potentially inh
![Measuring the Evolution of Contemporary Western Popular Music : Scientific Reports : Nature Publishing Group](https://cdn-ak-scissors.b.st-hatena.com/image/square/5aa6137c27403427f33804f233b1292f5a5f8f47/height=288;version=1;width=512/https%3A%2F%2Fmedia.springernature.com%2Fm685%2Fspringer-static%2Fimage%2Fart%253A10.1038%252Fsrep00521%2FMediaObjects%2F41598_2012_Article_BFsrep00521_Fig1_HTML.jpg)