Original: The best-known of the classical Czech composer Bed ich Smetana 's set of six symphonic poems Má vlast ( '' My Motherland '' ) is called Vltava ( or The Moldau ) , and is a musical depiction of the river 's course through Bohemia .
Simplified: Composer Bed ich Smetana wrote a symphonic poem about this river , sometimes called '' The Moldau '' .