Another Brick In The Wall, Part 2 official music video by Pink Floyd, from the album "The Wall", released in 1979.
The video is directed by Alan Parker.
That specific version is a part of the "A Pink Floyd Miscellany 1967-2005" official video compilation, aired on UK television on September 2011.
You can watch the full compilation here: dailymotion.com/video/xn9c2t_pink-floyd-miscellany-1967-2005
Roger Waters - bass guitar, vocals (unison with Gilmour)
David Gilmour - guitar, vocals (unison with Waters)
Nick Mason - drums
Richard Wright - hammond organ
Islington Green School students (organised by Alun Renshaw) - vocals