"The Blue Danube" is the common English title of "An der schönen, blauen Donau", Op. 314, a waltz by the Austrian composer Johann Strauss II, composed in 1866.
Cloned from Puglord93 with some minor changes.
Wow! It seems like this melody can be played offline on a 15 note paper strip music box!
All you need to do is: