<http://schema.org/description>
"Male humpback whales in a population all sing the same mating tune, but the song changes and the new version spreads across oceans, Australian researchers say."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Science_News/2011/04/14/Singing-humpbacks-create-popular-songs/UPI-44211302819257/>