Hey You by Pink Floyd, the fourteenth track of The Wall.
The Wall is a rock opera, telling the story of Pink, a man who builds a metaphorical wall around him, isolating him from the rest of the world.
Already Pink is regretting his Wall, trying to call out to people on the other side.
Made with Windows Movie Maker
I'm not making any money at all from this - this video is for entertainment purposes only.
