This is, without a doubt, the greatest album ever recorded.  Tool grab the musical perfection and artistry of bands like Frank Zappa and Pink Floyd and mix it with the anger and ferocity of bands like Slayer and the Misfits to make something that is completely their own.  Every song in this album is an audiable piece of art, from the great guitar notes on "Stinkfist", the ***-up lyrical content of "Hooker With A Penis" and the ferocity of the title track, this album simply doesn't disappoint.  I can't imagine someone calling themselves a music fan without loving this album.  It's simply perfect.