Par DVORAK ANTONIN. Dvorák’s Waltzes and Mazurkas prove to be a successfully contrived balancing act between stylised composition and musical immediacy. The music critic Louis Ehlert once wrote of Dvorák’s Slavonic Dances that they made a real musician’s heart laugh within him; the comment might equally well be applied to these pieces. These “Waltzes and Mazurkas” rank alongside the works of Chopi…