This chart shows “timbral variety,” which is a measure of the diversity of different kinds of sounds appearing in songs (Image: Nature)
The loudness of songs has been on the increase over the past few decades (Image: Nature)
Research has shown the popular music has become louder and more homogeneous over time (Photo: Shutterstock)
If you suspect that songs today tend to sound the same, it turns out you're right. A group of Spanish scientists looked at a huge database of songs and analyzed their trends, publishing their results in the scientific journal Nature. What they found was proof positive that, over the last few decades, songs have progressively gotten louder, decreased their pitch transitions, and generally become more homogeneous.
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