The paper, published in Royal Society Open Science, analysed music trends and success over 500,000 songs that made the UK top 100 charts between 1985 to 2015.
Researchers from the University of California Irvine found that over the last few decades, There's been a "clear downward trend" in bright and happy songs, and a slight upward trend in sadder songs. The "maleness" of songs, has also decreased. Read more...