Waltzes and Polkas 1.Blue Danube(An der Schonen blauen Donau)(Waltz), op.314(왈츠 1. 아름답고 푸른 도나우 작품314) (Waltzes and Polkas 1.Blue Danube (An der Schonen blauen Donau) (Waltz), op.314)