Singing the blues: Study of pop music finds rise in sadness

Singing the blues: Study of pop music finds rise in sadness

FILE - In this Nov. 2, 2017 file photo, musician Sam Smith poses for a portrait in New York to promote his album, "The Thrill of It All." A study of hundreds of thousands of popular songs over the last three decades has found a downward sonic trend in happiness and an increase in sadness. Some songs with a low happiness index in 2014 include “Stay With Me” by Smith. (Photo by Victoria Will/Invision/AP, File)

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