Aerosmith - Subway

intro/main riff-
E|-----------------------------------------|
B|-----------------------------------------|
G|---7---7----79-9-9-9-4--7----------------|
D|---7---7----79-9-9-9-4--7----------------|
A|---5---5----57-7-7-7-2--5---0---0-1-2----|
E|-0---0---0---------------------3-------3-|

E|----------------------------------------------|
B|----------------------------------------------|
G|---7---7---7-9-9-9-9--------------------------|
D|---7---7---7-9-9-9-9--------------------------|
A|---5---5---5-7-7-7-7-7-7-7-7-7-7-7--5-5-5-5---|
E|-0-------0-------------5-5-5-5-5-5-5--3-3-3-3-|

E|-----------|
B|-----------|
G|-----------|
D|---------2-|
A|-4-4-4-4-2-|
E|-2-2-2-2-0-|

Repeat that until the change, then play something like this:
(palm mute throughout)
E|------------------------------------|
B|------------------------------------|
G|------------------------------------|
D|----------9--------7----------------|
A|----------------------------5-------|
E|-7-7-7-7----7-7-7----7-7-7----7-5-6-|

E|------------------------------------|
B|------------------------------------|
G|------------------------------------|
D|-----------9---------7---------5--7-|
A|-------------------------------5--7-|
E|-7-7-7-7-----7-7-7-----7-7-7--3--5--|

E|------------------------------------|
B|------------------------------------|
G|----------------------------0-------|
D|----------2--------0----------2-0-1-|
A|-2-2-2-2-----2-2-2----2-2-2---------|
E|-0-0-0-0-----0-0-0----0-0-0---------|

E|------------------------------------|
B|----------------------------------2-|
G|----------------------------------2-|
D|----------2---------0-------------2-|
A|-2-2-2-2-----2-2-2-----2-2-2--------|
E|-0-0-0-0-----0-0-0-----0-0-0---3b---|

When that changes, go into this:

E|----------------------|
B|-2----2---2-----------|
G|-2----2---2-----------|
D|-2----2---2-----------|
A|----------------------|
E|--------------3--2--0-|
Continue with main riff

When that changes, go into this:
(2x)
E|--------------------------------------|
B|--------------------------------------|
G|-7------------------------------------|
D|-7------------------7-----------------|
A|-5------------------7-----------------|
E|------8-8-8-8-7-7-7-5---3-3-3-3-2-2-2-|

E|--------------------------------------|
B|--------------------------------------|
G|-9------------------------------------|
D|-9--------------------9---------------|
A|-7--------------------9---------------|
E|----10-10-10-10-9-9-9-7-5-5-5-5-4-4-4-|

The last change is just this(more or less):

E|-----------|
B|-2---2---2-|
G|-2---2---2-|
D|-2---2---2-|
A|-----------|
E|-----------|(repeat)