This music video is by ManLiftingBanner; their song Wall Street Wars.
They are a Dutch punk rock band, founded in the 1990s, and now re-united.
Many of their songs about political subjects, like Occupy Wall Street.
This music video is called ManLiftingBanner – Sister – Live Barcelona 1999.
Lessons From Occupy Wall Street’s First Political Prisoner. Natasha Lennard, Truthout in the USA: “Mark Adams, a long-term fixture in New York’s Occupy Wall Street community, woke up this morning in Riker’s Island prison, where last week he began a 45-day sentence and earned the unenviable title as Occupy’s first sentenced political prisoner”: here.
A force of 150 Los Angeles Police Department officers broke-up a small demonstration of Occupy Los Angeles protesters, using rubber bullets and batons to disperse the crowd: here.