Tell me, who doesn't get into the shower and immediately transform into a super singer? Sponge or loofah in hand and there you are, belting out your favourite track to an invisible audience. Well, ...

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 ...