<cd id="0001">
  <artist>Foo Faa</artist>
  <album>Blah Blah</album>
  <genre>Alternative</genre>
  <price>11.99</price>
  <currency>USD</currency>
  <release_date>2009-01-01</release_date>
  <song>
    <track>XML XML</track>
    <duration>1.45</duration>
  </song>
</cd>