Watch Online Free on Watchseries. After 25 years of non-stop creation and at the peak of their career, the rock band Berri Txarrak decided to hang up their instruments. But before they did that, and as a farewell, they did one last tour around the world to thank all those fans who had bopped to their music all those years. A film about the power of music and passion — the “minimum requirement,” as one of their lyrics says.