Get New Year's songs from global traditions. Perfect tracks for countdown, dancing, and reflection. Build your celebration ...

Over the past 50 years, U.S. pop music lyrics have become simpler, more repetitive, and increasingly focused on stress and negative emotions.

The lyrics of more than 6,000 songs were analyzed. This is an Inside Science story. "Clap along if you feel like happiness is the truth," sings Pharrell Williams in "Happy," but the joyful sentiments ...