Music Meme - Day 16 - One of your favorite classical songs

I didn't say Rhapsody last week just to start this with the Troika from Lieutenant Kije, but ... I love the Troika a great deal - https://www.youtube.com/watch?v=7GUzJ7fQBtg And it's fun to play on the cello.

Because I am hopeless, I will also go with two more of the obvious ones:

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Also have the flashmob version because Joy is required sometimes -

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Engineers' Waltz - which I have found out is actually called Acceleration - https://www.youtube.com/watch?v=K0Vt3fgBVng (It's me, you thought you were getting out of this without a waltz?!)

Pearlfishers' Duet - https://www.youtube.com/watch?v=4tLrPVkfCIQ

Moldau - https://www.youtube.com/watch?v=3G4NKzmfC-Q

Finishing with my favourite - https://youtu.be/l_e8g4LhAOA

And again, in German, because well -

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