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#BBCtrending: Playing the piano to riot police in Ukraine

30 January 2014 Last updated at 10:54 GMT

When demonstrations in Ukraine first turned violent, Markiyan Matsekh decided the best way to communicate a message of peaceful protest was to place a piano in front of police lines and play a little classical music.

In the following months, the piano - painted in the colours of the Ukrainian flag and the European Union - has become something of a sensation on YouTube.

#BBCtrending spoke to Matsekh about the piano and the social media tactics of those behind the #EuroMaidan hashtag.

Produced by Neil Meads

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