Quote:
Men at Work sued over 'stolen' riff in Down Under - Telegraph



Australian rock band, Men at Work, face paying out thousands of dollars in compensation after "stealing" a riff from a children's campfire rhyme.
Men at Work sued over 'stolen' riff in Down Under - Telegraph

So, if I understand it right the melody is known from kindergarten, Men at Work used it in their famous song 'Down Under' and now they have to pay because some publisher has the rights.