Tuning
6 5 4 3 2 1
E A D G B E

  Verse
E|-------------------    --------    ----------------------------------|
B|-------------------    --1--2--    ----------------------------------|
G|-------------------    --1--2--    ------------7---6---5---3---------|
D|------5-5-----5-5--    --1--2--    --------3-------------------------|
A|-------------------    --------    --3-4-5---5---5---4---3---1-------|
E|--3-3-----3-3------    --1--2--    ----------------------------------|
play this four times    then this
then this 4X again                    then this

bridge: (this bit's tough to get sounding good on one guitar
         coz Page double-tracks so much)
E|----------------------------------------------------------------------|
B|--1--1--4---3--3--4---4--4-6-8---5--5-6-8-----------------------------|
G|--1--1------1---------3----------3------------------------------------|
D|--3--3------3---------5----------5------------------------------------|
A|------------2---------3----------4------------------------------------|
E|--1-------------------------------------------------------------------|
  Fm        Bb7-9     Cm7        C7-9

E|---------------------------------------------------------------------|
B|--5-(6)(5)-----------------------------------------------------------|
G|--5-------(7)--5------------------3------3-------5-------------------|
D|--7------------5-(7)(5)-----------3----------------------------------|
A|--5------------7-------(7)(5)(7)--5--4-5---5-6-7----6-7--------------|
E|---------------5------------------3----------------------------------|
   Dm7sus2      Am7                Gm7
   repeat this a few times

that reverse fade roaring guitar ....
E|------------|
B|------------|
G|--3---------|
D|--3---------|
A|--1---------|
E|------------|
  Gm7