The term Austrian Composer of Waltzes can be summarized by the following crossword solutions: Johann Strauss (7 letters), Wiener (4 letters), Franz Liszt (5 letters), Joseph Haydn (5 letters), Alban Berg (4 letters), John Philip Sousa (5 letters), and Gustav Mahler (6 letters). Johann Strauss was an Austrian composer known for his waltzes, polkas, and operettas. Wiener is a reference to Vienna, Austria, where Strauss lived and worked. Franz Liszt was a Hungarian composer and virtuoso pianist who was born in Austria-Hungary. Joseph Haydn was an Austrian composer of the Classical period. Alban Berg was an Austrian composer of the Second Viennese School. John Philip Sousa was an American composer and conductor of the late Romantic era, known as 'The March King'. Gustav Mahler was an Austrian late-Romantic composer and one of the leading conductors of his generation.