It opens with a W.H. Auden poem that is read with the urgency and the rhythm of the piston on a steam engine. It sounds like proto-rap.

empties itself, as doth an inland brook / into the main of waters

Right then I lost the plot. I did, man, I went over the edge.

To live indeed is common also to plants; but we now investigate the peculiar work of man, so that the consideration about the plantal life must be dismissed.