If you're going to wear headphones, make sure you're not rocking a cheap set of $3.49 Koss ear buds. Your co-workers will be able to pick up lyrics on "Suit and Tie" and will likely interrupt the bridge on "Thrift Shop" by stabbing you in the jugular with a ergonomic stapler. Don't be that guy bleeding from the neck because they wouldn't turn down the Rihanna. We're trying to save your life. Keep quiet and carry on.