I am reposting this from http://kottke.org/. Kottke is is my go to source.
Philip Glass at Occupy Wall Street protest…
From an Occupy Wall Street protest at Lincoln Center, on Dec. 1, 2011. A performance of Philip Glass’s Satyagraha at the Metropolitan Opera has just ended, and in the first three minutes of the video protesters try to get operagoers to ignore the police, walk down the steps, and join the demonstration. Then, after 3:00, Glass recites the closing lines of his opera, which come from the Bhagavad-Gita: “When righteousness withers away and evil rules the land, we come into being, age after age, and take visible shape, and move, a man among men, for the protection of good, thrusting back evil and setting virtue on her seat again.”
Video by Alex Ross: http://www.therestisnoise.com/