You're out with friends at karaoke. Your turn is next. But dang, you still don't know what song to sing, and you're not a great singer. What's more, someone just nailed "You Oughta Know" by Alanis ...

It is a steep, cruel drop from the highest karaoke high to its lowest low. One moment you’re bounding onto a makeshift stage, basking in the glow of a crowd’s applause. The next, you’re wondering why ...