I've been monitoring the foreign exchange very, very closely. It's a bit like buying stocks and shares. The moment the euro goes down, I pick up the phone, place more calls and try to buy more programmes. When you are flying a huge orchestra or chorus over, getting a discount makes a whole lot of difference Hong Kong Arts Festival programme director Grace Lang Cheung-wai commenting on how the uncertain global economy has compelled an already thrifty arts organisation to keep close watch over its bottom line