So many things said, without actually saying anything... Pink Floyd : A Saucerful of Secrets...
If you're curious, this multipart masterpiece is about war and consequences.
The above one is the alternate live version from
Live at Pompeii (1972); there is another live version, released in
Ummagumma (1969). And the original track was released in
A Saucerful of Secrets (1968).