I can't take the credit for this one, but I noticed that this site doesn't have a good 
for this song, so I figured I'd post the one I used to learn it --

oh, and tune flat.

An Cat Dubh
U2

Intro

   _______________________________________________________________
  / x4                                                            \
1|---------------------------------|---------------0---------------|
2|---------------------------------|-------------------0-----------|
3|-----2-----------3-----------2---|-------3---------------3-------|
4|-0-----------0-----------0-------|---0---------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|---------------------------------|-------------------------------|
2|--------<7>----------------------|-------------------------------|
3|----<7>--------------------------|-------------------------------|
4|<7>------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

-------
Verse 1
-------

1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|-----2---------------------------|-------------------------------|
4|-0-------------------------------|---------------------------0---|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
1. Say good -  night.                                          She
2. When I'm    still____________,                          she

1|---------------------------------|-------------------------------|
2|---------------------------------|---0---------------------------|
3|-5------------------------------<12>-----------------------------|
4|-----------------------------0---|---------------------------0---|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   waits____   for_______          me___________   to______________
   waits__________ to_______       break__________ my______________
                                     _____________________________
                                    / 2nd time only               \
1|---------------------------------|---0---------------------------|
2|-----0---13----------------------|-----------13------------------|
3|-14----------14------------------|-------------------14----------|
4|---------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   put out the light________________.
   will_________________________________.          Whoa oh oh______,
------
Chorus
------

1|---------------------------------|-------------------------------|
2|-1-----------0-------1-----------|---1-------1---0---------------|
3|-0-------------------------------0-------------------0-----------|
4|-2-------------------------------|-------------------------------|
5|-3-------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   oh____________, oh________,     whoa__________, ho_____________,

1|-0-------------------0-----------|-------------------------------|
2|-10--------------------------10--|-------------------------------|
3|-11------------------------------|---11--------------------------|
4|-0-------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   ho___________________________________.          Whoa___ ho_____,

1|---------------------------------|-------------------------------|
2|-1-----------0-------1-----------|---1--------1--0---------------|
3|-0-------------------------------0-------------------0-----------|
4|-2-------------------------------|-------------------------------|
5|-3-------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   ho_________ ho____________,     oh____________, ho_____________,

1|-0-------------------0-----------|-------------------------------|
2|-10----------------------10------|-------------------------------|
3|-11--------------------------11--|-----------11------------------|
4|-0-------------------------------|---0---------------0-----------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   ho_______________________________________.      Yes if      I

1|---------------------------------|-------------------------------|
2|-1-----------0-------1-----------|---1-------0-------------------|
3|-0-------------------------------0------------------0------------|
4|-2-------------------------------|-------------------------------|
5|-3-------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
       know            the     truth                       a--bout

1|-3-----------------------3---3---|-------------------------------|
2|-0-----------------------0---0---|-------------------------------|
3|-0-----------------------0---0---|-------------------------------|
4|-3-----------------------3---3---|-------------------------------|
5|-3-----------------------3---3---|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   you______________________.                          She got it.


------
Bridge
------

Repeat intro, only playing main riff twice.

   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
                                                           And
-------
Verse 2
-------

Same guitar as Verse 1.

   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   in  the         day  -  light,                          a
       she___  is_______   done_____,                      she

   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   black   -   bird_________       makes__________ a_______________
   sleeps________  be       -      side___________ the_____________

   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   vi--lent  sight_________.                          And     when
   one_____________________________.              Yo  oh  oh______,

------
Chorus
------

Repeat chorus.

------
Bridge
------

Repeat intro.

-------
Verse 3
-------

1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|---------------------------------|-------------------------------|
4|---------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
           Huh,        huh.                Huh,        huh.

1|---------------------------------|-------------------0---0---0---|
2|---------------------------------|-------------------0---0---0---|
3|---------------------------------|-------------------13--13--13--|
4|---------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
           Huh,    huh.                    Huh,    huh huh.


1|-0-------------------0---0---0---0-------------------0---0---0---|
2|-0-------------------0---0---0---0-------------------0---0---0---|
3|-12------------------13--13--13--12------------------13--13--12--|
4|-----------------------------------------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
           Huh,        huh.                Huh,    huh.

1|-0---0---------------0---0---0---0-------------------0---0---0---|
2|-0---0---------------0---0---0---0-------------------0---0---0---|
3|-13--12--------------13--13--13--12------------------13--13--12--|
4|-----------------------------------------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|-0---0---------------0---0---0---0-------------------0---0---0---|
2|-0---0---------------0---0---0---0-------------------0---0---0---|
3|-13--12--------------13--13--13--12------------------13--13--12--|
4|-----------------------------------------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
          (Lyric ad-lib)??? (Please e-mail me if you know what he
says!)

1|-0---0---------------0---0---0---0---------------0-------0-------|
2|-0---0---------------0---0---0---0---------------0-------0-------|
3|-13--12--------------13--13--13--12--------------12------12------|
4|-----------------------------------------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
                                                   Yo  oh  oh______,

------
Chorus
------

Repeat chorus.

----
Solo
----

Repeat main intro riff four times, then play:
   _______________________________________________________________
  / x2                                                            \
1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|-2-----------3-----------2-------|---5-----------2-------3-------|
4|-0-----------0-----------0-------|---0-----------0-------0-------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

   _______________________________________________________________
  / x2                                                            \
1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|/11----------12----------11------|---14----------11------12------|
4|-0-----------0-----------0-------|---0-----------0-------0-------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|-14--14--15--14--14--17------14--15------14--15------14--15--15--|
4|---------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|-14--14--17--14--14--15--14--14--17------14--15------17----------|
4|---------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|-17--19--17--21------17--19--19--17--21--17--21--17--19------17--|
4|---------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|-19--19--17--21------17--19--19--17------15------14------12------|
4|---------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|-2-------------------------------|-------------------------------|
4|-0-------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|---------------------------------|-------------------------------|
2|--------<7>----------------------|------<5>----------------------|
3|----<7>--------------------------|--<5>--------------------------|
4|<7>-----------------------------<5>------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|---------------------------------|-------------------------------||
2|<5>------------------------------|-------------------------------||
3|------------<5>------------------|-------------------------------||
4|------------------------<5>------|-------------------------------||

5|---------------------------------|--<5>--------------------------||
6|---------------------------------|--------------<5>--------------||
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

==============
Into the Heart
==============

1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|--7------------------------------|-------------------------------|
4|-------------5-------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|--7-----------5----------4-------|-------------------------------|
4|--5------------------------------2-------------------/-----------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|--7------------------------------|-------------------------------|
4|-------------5-------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|--7-----------5----------4-------|-------------------------------|
4|--5------------------------------2-------------------/-----------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
 __________________________________________________________________
/ x2
      \
1|-x-------------------------------|-------------------------------|
2|-0-------------------------------|-------------------------------|
3|-0-------------------------------0-------------------------------|
4|-2-------------------------------|-----------2-------------------|
5|-3-------------------------------|-----------------------3-------|
6|-3-------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4
+


1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|---------0-----------------------|---------------0---------------|

4|-4---------------4---------------|-------------------------------|
5|-5-------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4
+

1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|---------------------------------|-------------------------------|
4|---------------------------------|-------------------------------|
5|-7-------------------------------9---------------10--------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|---------------------------------|-------------------------------|
4|---------------------------------|-------------------------------|
5|-9---------------7---------------|---------------5---------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|---------------------------------|-------------------------------|
4|---------------------------------|-------------------------------|
5|-7-------------------------------9---------------10--------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|-----------------0---------------|-------------------------------|
4|---------0---------------10------|-------------------------------|
5|-12------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   _______________________________________________________________
  / x2                                                            \
1|---------------------------------|--<12>---------15--------------|
2|---------------------------------|------<12>--------15-----------|
3|--7-----------/------------------|----------<12>-----------------|
4|----------5---/------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|--7---------------7--------------|5--------------3---------------|
4|--5---------------5--------------!-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|-----------------------------0---|-------------------------------|
2|--------------------------------0|-------------------------------|
3|---------------------------------|-------------------------------|
4|--5--------------2---------------|-------------------------------|
5|---------3-----------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
                                           In  -   to  the
heart__

   _______________________________________________________________
  / x2                                                            \
1|---------------------------------|--<12>---------15--------------|
2|---------------------------------|------<12>--------15-----------|
3|--7-----------/------------------|----------<12>-----------------|
4|----------5---/------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   _________________________,                          of  a
child__
   _________________________.          I       stay    a
while__

1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|--7---------------7--------------|5--------------3---------------|
4|--5---------------5--------------!-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   _________________.                  Then    I       can     go

1|-----------------------------0---|-------------------------------|
2|--------------------------------0|------------0------------------|
3|---------------------------------|-------------------------------|
4|--5--------------2---------------|-------------------------------|
5|---------3-----------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
       back_____________.                  In  -   to  the heart____

1|-10------------------------------10----------------------10------|
2|---------8---------------8-------|-------8-----------8-------8---|
3|-----------------7---------------|-----------7-------------------|
4|---------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   _________________________,                          of  a
child__

1|-10------------------------------10----------------------10------|
2|---------8---------------8-------|-------8-----------8-------8---|
3|-----------------7---------------|-----------7-------------------|
4|---------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   _________________________.                  I       can
smile__

1|-13--------------13--------------!---13--------------13----------|
2|---------11--------------11------|-------11--------------11------|
3|---------------------------------|-------------------------------|
4|---------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   _________________________.                  I       can     go

1|-15----------15----------15------15----------15----------15------|
2|-----13----------13----------13--|---13----------13----------13--|
3|---------------------------------|-------------------------------|
4|---------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
       there________________.              In   -  to  the
heart__

1|-10------------------------------10----------------------10------|
2|---------8---------------8-------|-------8-----------8-------8---|
3|-----------------7---------------|-----------7-------------------|
4|---------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   _________________________________,      in   -  to  the
heart__

1|-10------------------------------10----------------------10------|
2|---------8---------------8-------|-------8-----------8-------8---|
3|-----------------7---------------|-----------7-------------------|
4|---------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   _________________   of  a   child.          I       can
go_____

1|-13------------------13----------!---13----------13----------13--|
2|---------11--------------11------|-------11----------11----------|
3|---------------------------------|-------------------------------|
4|---------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   ________    back_____________,              I       can     stay

1|-15----------15----------15------15------------------------------|
2|-----13----------13----------13--|-------------------------------|
3|---------------------------------|-------------------------------|
4|---------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
       a           while____________________.      To  the
heart__

1|-10---------------------------10-|-10-------------------------10-|
2|---------8-----------------8-----|--------8-----------------8----|
3|------------------------7--------|-----------------------7-------|
4|---------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +
   _________________________.


1|-13---------------------13----13-|-15----------------15------15--|
2|-----11-----------------11-------|-13------------13--13----------|
3|-----------------10--------------|-------------------------------|
4|---------------------------------|-------------------------------|
5|---------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

/ x2
      \
1|-x-------------------------------|-------------------------------|
2|-0-------------------------------|-------------------------------|
3|-0-------------------------------0-------------------------------|
4|-2-------------------------------|-----------2-------------------|
5|-3-------------------------------|-----------------------3-------|
6|-3-------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +


1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|---------0-----------------------|---------------0---------------|
4|-4---------------4---------------|-------------------------------|
5|-5-------------------------------|-------------------------------|
6|---------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|-x-------------------------------|-------------------------------|
2|-0-------------------------------0-------------------------------|
3|-0-------------------------------|-----------0-------------------|
4|-2-------------------------------|-----------------------2-------|
5|-3-------------------------------|-------------------------------|
6|-3-------------------------------|-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

  (Start slowing down.)
1|---------------------------------|-------------------------------|
2|---------------------------------|-------------------------------|
3|-0-------------------------------|-------------------------------|
4|-2-------------------------------|-----------------------0-------|
5|-3-------------------------------|-----------2-------------------|
6|-3-------------------------------3-------------------------------|
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

1|---------------------------------|-------------------------------||
2|-0-------------------------------|-------------------------------||
3|-0-------------------------------|-------------------------------||
4|-2-------------------------------|-------------------------------||
5|-2-------------------------------|-------------------------------||
6|-3-------------------------------|-------------------------------||
   1   +   2   +   3   +   4   +   1   +   2   +   3   +   4   +

I don't remember whose that is, but I think he did a pretty good job.
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