Dan and Kev are mining the depths of human depravity with Tool’s 1993 release Undertow. We discuss the measured complexity of Tool’s debut studio album, how it stands up to the music of the time, and whether its rawness makes it any better or worse than Tool’s future progressive releases. Does Undertow share commonalities with its grunge contemporaries? Is it an animal all its own? How is it that this eclectic rock band achieved mainstream success at all and dodged the designation of underground or extreme metal? We’ll see if we can get to the Bottom (ft. Henry Rollins) of this.