If I had to choose just one, it would have to be Carolina's "Ave Maria." I've never been a Carolina fan (and have never liked the "Ave Maria" music, either), but she skated it so beautifully that I finally understood why so many people admire her skating so much.
Runners-up: Yuna's "Send in the Clowns" and D/W's "I Could Have Danced All Night."
Runners-up: Yuna's "Send in the Clowns" and D/W's "I Could Have Danced All Night."