On the Beautiful Blue Danube Waltz, Op. 314 On the Beautiful Blue Danube Waltz, Op. 314; By the Beautiful Blue Danube Waltz,op.314 The beautiful blue Danube - waltz, op.314 By the Beautiful,Blue Danube. Waltz, op.314 By the beautiful,blue Danuge,Waltz,op.314 On the beautiful blue Danube, op.314 On the beautiful blue danube, Op.314 On The Beautiful Blue Danube - Waltz,Op.314 By The Beautiful Blue Danube,Op.314