Cb, Gb, Cb, Fb, Ab, Db

But you can easily play it with:
Db, Ab, Db, Gb, Bb, Eb

INTRO and VERSE
E|------------------------------------------------|
B|------------------------------------------------|
G|------------------------------------------------|
Db|-7-7-7-7-7-7-2-2-2-2-2-2-1-1-1-1-1-1-5-5-5-5-5-5
Ab|-5-5-5-5-5-5-1-1-1-1-1-1-0-0-0-0-0-0-3-3-3-3-3-3
D|------------------------------------------------|

E|------------------------------------------------|
B|------------------------------------------------|
G|------------------------------------------------|
Db|-7-7-7-7-7-7-2-2-2-2-2-2-1-1-1-1-1-1------------
Ab|-5-5-5-5-5-5-1-1-1-1-1-1-0-0-0-0-0-0-3-3-3-3-3-3
D|-------------------------------------3-3-3-3-3-3|

PD-C HORUS
And even though I'm not alone...
E|--------------------------|
B|--------------------------|
G|--------------------------|
Db|-7-5-7-5-7-5-7-5-14-9-12-7
Ab|-5-3-5-3-5-3-5-3-12-7-10-5
D|--------------------------|

CHORUS
E|---------------------------------------------------|
B|---------------------------------------------------|
G|---------------------------------------------------|
D|--------7-7-7-7-7-7-7-5-5-5-10-10-10-10-14-14-14-14|
A|-0-0-0--5-5-5-5-5-5-5-3-3-3-8--8--8--8--12-12-12-12|
E|-0-0-0---------------------------------------------|
(5-5-5) Would be (0-0-0) ^^^^^
(3-3-3)          (0-0-0) in Cb tuning

E|-----------------------------------------------|
B|-----------------------------------------------|
G|-----------------------------------------------|
D|--------7-7-7-7-7-7-7-3-3-3-3-5-5-5-5----7-----|
A|-0-0-0--5-5-5-5-5-5-5-1-1-1-1-3-3-3-3----5-----|
E|-0-0-0-----------------------------------------|

BRIDGE

Eb|----------------------------------
Bb|-10-10-10-9--10-10-10-9--10-10-9--
Gb|----------------------------------
D|--------------------------|--------
Ab|----------------------------------
D|--------------------------|--------

Play INTRO distorted
PD-C HORUS pops in here too


OUTRO
E|----------------------|
B|----------------------|
G|----------------------|
D|----------------------|
A|-0-0-0--0--0-0-0--0-->|
E|-0-0-0--0--0-0-0--0-->|