HERE IS THE JIST OF WHAT I'VE FIGURED OUT.
TUNING: DROP A# (A#-F-A#-D#-G-C)
INTRO
C-|----------------------------------|
G-|----------------------------------|
D#|----------------------------------|
A#|----------------------------------|
F-|-3/5--5-5-5-5-3-5-3-5-5-3/5-------|
A#|-0-0--0-0-0-0-0-0-0-0-0-----5-3~--|
[ Tab from: http://www.guitaretab.com/b/black-pyramid/370898.html ]
VERSE
C-|--------------------------------------------5-----5--|
G-|--------------------------------------------5-----5--|
D#|--------------------------------------------2-----2--|
A#|--------------------------------------------0-----0--|
F-|-3/5--55-5-5-5-5-5-5/6-6-3/5-55-5-5-5-5--000---000---|
A#|-0-0--00-0-0-0-0-0-0/6-6-0-0-00-0-0-0-0--000---000---|
*** ***
CHORUS
C-|-----------------------|
G-|-----------------------|
D#|-----------------------|
A#|-----------------------|
F-|-0/10-10-8-8-8/5-55-5--|
A#|-0/10-10-8-8-8/5-55-5--|
INTERLUDE
W/WAH PEDAL
C-|--------------|
G-|--------------|
D#|--7777777777--|
A#|--------------|
F-|--5555555555--|
A#|--------------|