Viral duet: Pianist and violinist perform Vivaldi's 'Summer' at train station.
A French TikTok pianist, Aurelien Froissart, performed an impromptu duet with a Lithuanian violinist, Ugne Liepa Zuklyte, at London's St. Pancras railway station. The video of their performance of Vivaldi's "Summer" has gone viral with nearly 51 million views.