An analysis of more than 50 years of song lyrics identifies a dark trend in popular music.
“Clap along if you feel like happiness is the truth,” sings Pharrell Williams in “Happy,” but the joyful sentiments in that 2013 hit are becoming rarer, according to a new analysis of decades of song lyrics. The study finds popular music lyrics have become gradually angrier, sadder and more fearful since the 1950s. Read more in Inside Science.