Down Under

Each time I hear this on the radio, a smile breaks out on my face---it is just that fun! That said, Men At Work were sued successfully for plagiarising ``Kookaburra''. Without looking at the associated article, can you find where the plagiarising seemingly occurred? (Vg'f va gur syhgr evss. Gurl gbbx gur svefg gjb yvarf bs gur fbat ``Xbbxnoheen''.)