This a video to protest the present Islamic regime and it's authorities in Iran after what they did during last years cheated presidential election in killing peaceful protesters and imprisoning many of them along with journalists and activists. Many were also exiled from Iran for fear of their lives.
Roger Waters, musician and member of Pink Floyd, let an Iranian group in Canada use the song, "Another Brick in the Wall," to show their protest and their support of the Iranian green movement by singing.