(while listening to song)
normal tunning 

first horn                              
6|-------3~~~-2-----0-5~~~~-5-9~~~--
5|-----3--------3-0-----------------
4|--2-------------------------------
3|----------------------------------
2|----------------------------------
1|----------------------------------


second horn

|-------2-7~~~~~-6~~-2~~-----4~~-9~~~-9-9-13~~~~------I
|-2~~~~------------------4~~--------------------------I
|-----------------------------------------------------I
|-----------------------------------------------------I
|-----------------------------------------------------I
|-----------------------------------------------------I

wait for drums to stop, then

I-----2---1-2----3--7-5----6-2-0----4-0-------------------------------------------I
I--2-----------2--------------------------2---------------------------------------I
I---------------------------------------------------------------------------------I
I---------------------------------------------------------------------------------I
I---------------------------------------------------------------------------------I
I---------------------------------------------------------------------------------I

I-2-1---4-1----------3-6-6-3------------------------------------------------------I
I-----------1-4---------------3-5-1-----------------------------------------------I
I---------------------------------------------------------------------------------I
I---------------------------------------------------------------------------------I
I---------------------------------------------------------------------------------I
I---------------------------------------------------------------------------------I

I--9-11-9-11--8-13----9-11-9-8-15---6-8--6-8-6-8--6-9--12-10--6-4-----------------I
I---------------------------------------------------------------------------------I
I---------------------------------------------------------------------------------I
I---------------------------------------------------------------------------------I
I---------------------------------------------------------------------------------I
I---------------------------------------------------------------------------------I
louder (move everything up an octave if desired)
I--2---1-2----3--7-5----6-2-0----4-0----------------------------------------------I
I2-----------2--------------------------2-----------------------------------------I
I---------------------------------------------------------------------------------I
I---------------------------------------------------------------------------------I
I---------------------------------------------------------------------------------I
I---------------------------------------------------------------------------------I
I---------------------------------------------------------------------------------I

final horn
I-4---9-------4-4---9-------------------------------------------------------------I
I---2--------2--------------------------------------------------------------------I
I---------------------------------------------------------------------------------I
I---------------------------------------------------------------------------------I
I---------------------------------------------------------------------------------I
I---------------------------------------------------------------------------------I
 
and that's it, haven't tabbed the background music (extra strings possibly in harmony)