Marina Abramović und die Kunst des Hörens

A mysterious new wave song, recorded from the radio onto a cassette in the 1980s, became the internet's biggest musical mystery decades later. Millions of users worldwide are searching for the origin of the recording and the unknown band behind the "Most Mysterious Song on the Internet."

In Walbrzych (Waldenburg), in the Lower Silesian coal area, the mines are closed. Lukasz and his friend Jacek are now mining the coal on their own. For years. Like hundreds of other coal woodpeckers, they illegally dig for the black gold outside the city gates. The police are always on their heels, but they keep going.