MusicParser\Structure\Song
   '- MusicParser\Structure\Section
      '- MusicParser\Structure\Column
         '- MusicParser\Structure\TextBlock
            '- MusicParser\Structure\Chord (Emi)
            '- MusicParser\Structure\Text (Havran letí nad lesy, jen)
            '- MusicParser\Structure\Chord (Ami)
            '- MusicParser\Structure\Text (slunce je výš.)
            '- MusicParser\Structure\EOL
            '- MusicParser\Structure\Text
            '- MusicParser\Structure\Chord (Emi)
            '- MusicParser\Structure\Text (Havran letí nad hory jen)
            '- MusicParser\Structure\Chord (Ami)
            '- MusicParser\Structure\Text (větry jdou dál.)
            '- MusicParser\Structure\EOL
            '- MusicParser\Structure\Text
            '- MusicParser\Structure\Chord (Emi)
            '- MusicParser\Structure\Text (Havran se nebojí, má silný dráp.)
            '- MusicParser\Structure\EOL
            '- MusicParser\Structure\Text (Havran se nebojí,)
            '- MusicParser\Structure\Chord (Ami)
            '- MusicParser\Structure\Text (umí se)
            '- MusicParser\Structure\Chord (Emi)
            '- MusicParser\Structure\Text (rvát.)
            '- MusicParser\Structure\EOL
            '- MusicParser\Structure\Text (Havran, havran, havran, havran,)
            '- MusicParser\Structure\EOL
            '- MusicParser\Structure\Text (krá, krá, krá, krá, aaá...)
            '- MusicParser\Structure\EOL