1/2 step down tuning
Verses:

G--------------------------------------------------------------------
D--------------------------------------------------------------------
A--2--2--2-2-2-2^----------------------------------------------------
E------------------4--4--4-4-4-4^----0--0-0----0--0-0----------------

"So try ease the pain"                 x2

G--------------------------------------
D--------------------------------------
A---4--4--4-4-4-4-4--------------------
E---------------------5---5-5--0--0-0-0  

"No one knows..."

G----------------------------------------------------------------------
D----------------------------------------------------------------------
A----------------------------------------------------------------------
E--2--2---2-2---0--0--0--0--0-0-0-0---2--2--2-4----5--5-5-5-5-5-5-5-5--

back to verses!!!!

Solo part:
G--------------------------------------------------------------------
D--------------------------------------------------------------------
A--2--2--2-2-2-2^---------------------2--2--2-2-2-2-2----------------
E-------------------4--4--4-4-4-4-4----------------------------------

G--------------------------------------------------------------------
D--------------------------------------------------------------------
A--4--4--4-4-4-4-4---7--7--7-7-7-7-7-7-------------------------------
E----------------------------------------5--5-5-5--4--4-4-4----------

G-------------------
D-------------------
A-------------------
E---2--2--2-2-2-2-2-

Rest a while...

When getting back:

G--------------------------------------------------------------------
D--------------------------------------------------------------------
A--------------------------------------------------------------------
E--0--0--0--0--2--2--2--2--4--4--4--4--5--5--5--5--------------------

Go to verses again until the song ends... There is a variation onthe verses riff: 
When Corgan sings "when i can, i will"
G--------------------------------------------------------------------
D--------------------------------------------------------------------
A-2-2--2-2-2-2-2^----------------------------------------------------
E----------------4-4--4-4-4-4-4^----0-0--0---5--5--5-5-5-5-5---------

That's it (i think)!

It's a beautifull song! :) Listen while playing to get the parts!
Any comments:*