The stereo version builds a wall in front of you . The 5.1 version builds the wall around you .

If you own a surround sound system—even a modest 5.1 soundbar setup—hunt down this disc. You will finally understand why Pink smashed the guitar, why the teacher was a drag, and why, after 45 years, nobody has built a better wall.

But if you think you have heard "The Wall," you haven’t—not until you’ve experienced the 2012 (and subsequent) Blu-ray Audio edition.