Knockin' on Heaven's Door: (GN'R version)
 
Key: H - hammer-on
 / - slide
 P - pull-off
 ^ - half bend 
 ^^ - full bend
 ~ - vibrato
 
This is the picking at the very beginning of the song. 
G5 D C
-3---3--------------2-0-------|-----------------0--------------------|--------
-3-----3---3------3-----3---3-|----------1--------------1------------|--------
-0-------0------2---------2---|-0------0---0----------0---0-0------0-|--------
-0------------0---------------|-0-2----------2------2-------0-2------|--------
------------------------------|--H---3-----------------------H---3---|--------
-3----------------------------|--------------------------------------|--------
 
This is the picking for the first line. 
G5  D Am
-3--------------2-------2-0-------|-0-----H-------0----------------------|
-3---3-------3--3-------3-------0-|-1----0-1-------------1---------------|
-0---0-----0----2----2-------2----|-2--2-----2---------2---2------0---0--|
-0---0-----0----0----0------------|-2----------2-----2-------0-2----2----|
----------------------------------|-0-------------------------H----------|
-3--------------------------------|--------------------------------------|
 
 
Intro:
Twice with picking G5 D C
Twice just power chords G5 D C
 
Verse 1 (with picking)
G5 D Am
Mamma take this badge from me
G5 D C
I can't use it anymore
G5 D Am
It's getting dark, too dark to see
G5  D C
Feels like I'm knockin' on heaven's door
 
Chorus 
G5 D5 C5
Knock, knock, knockin' on heaven's door,
C5 
Hey, hey, hey, hey, yeah
G5 D5 C5
Knock, knock, knockin' on heaven's door,
C5
(no lyrics)
G5 D5 C5
Ooh, knock, knock, knockin' on heaven's door
C5
Ooh yeah
G5 D5 C5
Knock, knock, knockin' on heaven's door
C5
Hey, hey, hey, hey, yeah
 
 
 
 
First Guitar Solo
G D C
------------------------------------------------------
----^^---P---------15--^------~~~~~~~~~~~~------------
-12-14-14-12-14-------14-12-12-------------------12---
------------------------------------------13/14-------
------------------------------------------------------
------------------------------------------------------
G D C 
---------------P------------P--------P------------------15----
15/17---15---13-12-13/15--13-12---13--12----------12-13----13-
-------------------------------------------~~~~~~~------------
-----------------------------------------14-------------------
--------------------------------------------------------------
--------------------------------------------------------------
G ^^ D ^^ ^^ C
--~~~-------15-17--17--17--17--15-----------------------------
12---15/17----------------------------------------------------
--------------------------------------------------------------
--------------------------------------------------------------
--------------------------------------------------------------
--------------------------------------------------------------
G ^^ ^^ D C
--20-20-19-20--19-20--20-20-20---~~~~~----------------------------------
-------P-----------------------17------^^----^^-------------------------
---------------------------------------19-19-19-19-^-----^--------------
---------------------------------------------------19-19-19-19----------
---------------------------------------------------------------17--17---
------------------------------------------------------------------------
 
 
Mama, put my guns in the ground
I can't shoot them anymore
That cold black cloud is comin' down
Feels like I'm knockin' on heaven's door
 
Basically there are lots of "knockin' on heaven's door"s throughout the rest
 
Solo 2:
 
E|-------------------------------------------------------|
B|--19b~~~~~~~r-19---19brp17-19-1717----20-17--20-17br---|
G|-------------------------------------------------------|
D|-------------------------------------------------------|
A|-------------------------------------------------------|
E|-------------------------------------------------------|
 
E|----------------------------------------16---18b-18p16-|
B|-1517--1517--------1517---------------13--16-----------|
G|-----------------------------------/13-----------------|
D|-----17----19br1719----19br19br17----------------------|
A|-------------------------------------------------------|
E|-------------------------------------------------------|
 
E|-1618P161620192022b--20192022b--20192022b-22b22b-------|
B|------------------------------------------------2022b--|
G|-------------------------------------------------------|
D|-------------------------------------------------------|
A|-------------------------------------------------------|
E|-------------------------------------------------------|
 
 
 
E|-------------------------------------------------------|
B|--2022br-202222b-202220--20~~---2019----19br-17191717--|
G|-------------------------------------------------------|
D|-------------------------------------------------------|
A|-------------------------------------------------------|
E|-------------------------------------------------------|
 
E|-------------------------------------------------------|
B|-2017--17~~15~~12~~~~~~--------------------------------|
G|------------------------12~--11~---11br-9~---7---5/4---|
D|----------------------------------------------------5--|
A|-------------------------------------------------------|
E|-------------------------------------------------------|