When we sing in stuffy offices and stuffy places, people eat it up because the world's gotten so corporate and PC, when you've got four guys in tuxedos walking around singing barbershop, it's such a deviation from the doldrums of proper business. There is a lighthearted irreverence to barbershop. We look at the way the world works and say, 'Everything's become so not fun, so let's make it fun again.'.