I was shocked when I couldn't find a tab for this, so here you go. It's transcribed by ear from this video:
https://www.youtube.com/watch?v=2WJhax7Jmxs
Pretty sure this is 100% correct, but please leave feedback in the comments :)
Play this twise:
E---------------------------------------------------------------------------------------------|
B----------------------3---5-3-2--3-2------------------3----5-3-2--3-2-----------3-2----------|
G---2-4-2-0-2--------2-----------------4-2-2---------2-----------------4-------------4-2-0-2--|
D---------------------------------------------------------------------------------------------|
A---------------------------------------------------------------------------------------------|
E---------------------------------------------------------------------------------------------|
[ Tab from: http://www.guitaretab.com/e/ennio-morricone/386778.html ]
E-----2-----------------2--------------------------------3-3-2-2--------7-----5-5-------------|
B-------5-5-3-3-----------5-5-3-3-----2-3-2-3----------3--------------3-----------------------|
G---2-----------------2-----------------------4------4----------------------------------------|
D---------------------------------------------------------------------------------------------|
A---------------------------------------------------------------------------------------------|
E---------------------------------------------------------------------------------------------|
*Violins come in and play the same as above*
Oboe comes back and plays the same, but with extended ending.
E-----2-----------------2--------------------------------3-3-2-2--------7-----5-5-------------|
B-------5-5-3-3-----------5-5-3-3-----2-3-2-3----------3--------------3-----------------------|
G---2-----------------2-----------------------4------4----------------------------------------|
D---------------------------------------------------------------------------------------------|
A---------------------------------------------------------------------------------------------|
E---------------------------------------------------------------------------------------------|
E---3---2-------------2---------------3----2----------------------------------------10--------|
B-----------5---------------------3------------5--------3-3-----------------------------------|
G---------------------------------------------------------------------------------------------|
D---------------------------------------------------------------------------------------------|
A---------------------------------------------------------------------------------------------|
E---------------------------------------------------------------------------------------------|
