The lyrics are great, and has a powerfull meaning, and the music is just awesome.
I recently put my hands on the album and I am glad that I did.
Pigs on the wing part 1 makes a great calm start on the album with Roger Waters and his gentle guitar choords.
Then comes the heavy stuff.
The 3 very aggressive songs, Dogs, Pigs (three different ones) and Sheep.
The lyrics are powerfull and the melodies are simply great.
However I have to point out that somewhere in the middle of Pigs (three different ones) it gets a bit repeative as the band repeats the same thing over and over again for several minutes with the occational change of tune.
The album is ended with the second part of the beautiful Pigs on the wing.
Don't just sit there and play The Wall and The Dark Side Of The Moon over and over again. Go buy Animals.
Pigs on the Wing (Part One)