You may not know this but all emperor penguins have a ‘heart' song, this is how they find their mate, this ‘music' usually takes the form of stadium filling Celine Dion..esque R & B. Unfortunately young penguin Mumbles is a bit vocally challenged, though to compensate he's a fine tap dancer, a skill that has him shunned by his fellow waddlers but that may just save them all from global warming. Well if it makes the next generation aware of the world's plight then some good may come of Happy Feet find out more...