Tabed By Greg Armstrong
Tool
"Eon Blue Apocalypse"
dropped-d tuning

d---0**------------------------
a-------------------------------
D------------------------------
      **tremolo pick this note for a while

d---8--7h8--7--------3s5--3s7--3---------
a-------------------------------------------
D---------------------------------------0--

d---8--7h8--7--------3s5--3s7--5----

d------5--------
a---6----6--5---  (repeat until end)

this sounds better if you've got a bit of reverb going and a delay pedal to
play around with