Black Swan (thirteen version). I play it like this. You can play part 2 instead of part 
1, but I like to combine that 2 ways of playing that riff

G|----------------------------------------------|
D|----------------------------------------------|
A|---75-75-----------------75-75----------------|
E|-7---7--7-5-555-5-5-5-0----5--5-7-777-7-7-7-7-|

G|-----------------------------------|   Part 1-play it 2 times (0:00-0:26-|
D|-------------------------------------------------------------------------|
A|-75-75----75-75----75-75---75-75-----------------------------------------|
E|---7--7-5---5--5-0---7--57---7--57---------------------------------------|

==========================================================================

G|----------------------------------|
D|----------------------------------|
A|----------------------------------|
E|-7-7777775-5555550-0000007-777777-| Part 2-play it 3 times and then
                                              (0:26-0:52)
G|------------------------------------|
D|------------------------------------|
A|----------------------------578875\2|
E|-7-7777775-5555550-0000007----------|

============================================================================

G|---------------------------------------|
D|-------triplet---trip.-----------------|
A|-2222224-444-4445-555-555-5----5-402---| Part 3-you can play triplet on
E|----------------------------32---------|  "222222" part... (0:52-1:09)

G|------------------------------------------------2----|
D|-------triplet---trip.-------------2---------234-432-|
A|-2222224-444-4445-555-555-5----5-40--222222----------|
E|----------------------------32-----------------------|

===========================================================================

G|--------------------|
D|--------------------|   Part 4(refrain)- (1:09-1:22)-you can add fills
A|-2-2-/-5-5----------|      on this part
E|-----------2-222222-|

============================================================================


G|----------------------------------|
D|----------------------------------|
A|----------------------------------|    (1:22-2:01)
E|-7-7777775-5555550-0000007-777777-| Part 2 again-play it 5 times and then:

G|------------------------------------|
D|------------------------------------|
A|----------------------------578875\2|
E|-7-7777775-5555550-0000007----------|

=============================================================================


G|--------------|
D|--------------|  (2:01-2:14)
A|-2-2222222222-|  Part 5-play it 3 times and then:
E|--------------|

G|---------|
D|---------|
A|-2--2--2-|
E|---2--2--|

============================================================================
G|---------------------------------------|
D|-------triplet---trip.-----------------|
A|-2222224-444-4445-555-555-5----5-402---| Part 3 again-changed a bit at
E|----------------------------32---------|    the end   (2:14-2:28)

G|----------------------------------------2----|
D|-------triplet---trip.--------------2-34-432-|
A|-2222224-444-4445-555-555-5----5-40----------|
E|----------------------------32---------------|

===========================================================================

G|--------------------|
D|--------------------|   Part 4 again (refrain)-(2:28-2:54)
A|-2-2-/-5-5----------|
E|-----------2-222222-|

==========================================================================

G|--------------------|
D|--------------------|   Part 5 (guitar solo)-(2:54-3:07)-you can also add
A|-4-4-/-7-7----------|     some fills on this part
E|-----------4-444444-|

=========================================================================

G|---------------------------------------|
D|-------triplet---trip.-----------------|
A|-2222224-444-4445-555-555-5----5-402---| Part 3 again
E|----------------------------32---------|   (3:07-3:24)

G|------------------------------------------------2----|
D|-------triplet---trip.-------------2---------234-432-|
A|-2222224-444-4445-555-555-5----5-40--222222----------|
E|----------------------------32-----------------------|

========================================================================

G|--------------------|
D|--------------------|   Part 4 again - (3:07-4:03)-END-btw.
A|-2-2-/-5-5----------|     last tone on song is 2 on A string-That's it!
E|-----------2-222222-|

========================================================================