Keep it in tune with the times, but don't write with the specific purpose of trying to create a hit. If you're doing it strictly to make money, you're crazy. There are easier ways to make money.
I love food, all food, everything about food. I enjoy going to the market and having what's in front of me - what's fresh, seasonal - tell me what I'm cooking.
Obviously classical music tends to be stuff that is usually at least a hundred years old.