Master of Reality is the third studio album by the English heavy metal band Black Sabbath, released in the United Kingdom on 6 August 1971 by Vertigo Records. It is regarded by some critics as the foundation of doom metal, stoner rock, and sludge metal.
![Master Of Reality Tee [1971]](http://ginsengarchive.com/cdn/shop/files/1753435370411-Black_Front_preview_image.png?v=1753435391&width=1445)