I DID NOT TAB THIS! I found this today, because I needed it, and I wanted to make sure 
site had it. I got it from here.
http://www.savatage.com/multimedia/tabs/tso/ocb.html

Here are the main patterns in the song.  They just repeat in different orders.
This song is tuned down a whole step on the cd
---3---3-----3---3-----3---3-----3---3-----------------3-3--------------------|
-----1---1-----1---1-----1---1-----1---1---------------3-3--------------------|
-------------------------------------------------------0-0--------------------|
-----------------------------------------3-3-3-2-2-2-2-0-0--------------------|
-3---------2---------0-------------------3-3-3-2-2-2-2---2--------------------|
-------------------------------3---------1-1-1-0-0-0-0---3--------------------|
   Main riff for verses and chorus
-------3-----------3-----------3------------3---------------------------------|
-----1---1-------1---1-------1---1--------1---1-------------------------------|
---0-------0---0-------0---0-------0----0-------0-----------------------------|
-3-----------2-----------0----------------------------------------------------|
-------------------------------------3----------------------------------------|
------------------------------------------------------------------------------|
    Then the bar tender came out from behind the bar..etc
--3---------------------------1----------------0------------------------------|
--2---------------------------1----------------1------------------------------|
--0---------------------------2----------------0------------------------------|
--0---------------------------3----------------2------------------------------|
--2---------------------------3----------------3------------------------------|
--3---------------------------1-----------------------------------------------|
  Followed the child to the girl cross the street..etc...(Strum Chords)
--1---------0-----------------------------------------------------------------|
--1---------1-----------------------------------------------------------------|
--2---------0-----------------------------------------------------------------|
--3---------2-----------------------------------------------------------------|
--3---------3-----------------------------------------------------------------|
--1---------------------------------------------------------------------------|
   Called for a cab and he said JFK..etc. (Strum Chords)
-1-------------------------------------3--------------------------------------|
-1-------------------------------------3--------------------------------------|
-2-------------------------------------0--------------------------------------|
-3-------------------------------------0--------------------------------------|
-3-------------------------------------2--------------------------------------|
-1-------------------------------------3--------------------------------------|
 From the light that she had wished upon..etc (Strum Chords)