The phrase refers to the official music video for the hit song "Bałkanica" by the Polish rock band Piersi .
Released in 2013, the song became a massive commercial success in Poland, known for its energetic blend of rock and Balkan folk influences. It served as the lead single for their album Piersi i Przyjaciele 2 , which was the first album released after the departure of the band's original frontman, Paweł Kukiz. piersi_balkanica_official_video_hd
You can find the video on YouTube by searching for that exact string or visiting the official Piersi YouTube channel. The phrase refers to the official music video