[#ocean.wave]
audio::ocean_waves.mp3[]
>>>
Document
  { docMeta =
      Meta
        { docTitle = []
        , docTitleAttributes = Nothing
        , docAuthors = []
        , docRevision = Nothing
        , docAttributes = fromList [ ( "sectids" , "" ) ]
        }
  , docBlocks =
      [ Block
          Attr
          ( [] , fromList [ ( "id" , "ocean" ) , ( "role" , "wave" ) ] )
          Nothing
          (BlockAudio (Target "ocean_waves.mp3"))
      ]
  }