We’ve all been there. A great song comes on, you turn up the volume, and start to sing along. Then, your friend who has read the lyrics and liner notes laughs at you for getting the words wrong. It ...

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 ...