Dm
  v   v   v   v     v   v   v   v
E|-----------------|-----------------|
B|-----------------|-----------------|
G|-----7---7-5-7-9-|-----7---5-7-5-7-|
D|-0---------------|-----------------|
A|-----------------|-----------------|
E|-----------------|-----------------|


[Verse 1]

        Dm                 G     Bb                  Dm
        Sick at heart and lonely    deep in dark despair
        Dm                    G   Bb                        Dm
        Thinking one thought only    where is she, tell me where
        Dm              G      Bb                Dm
        And if she says to you    she don't love me
        Dm                G      Bb                 Dm  [N.C.]
        Just give her my message    tell her of my plea


[Chorus]

               D            F      G     D
        And I know, if she had me back again
                    Bb     F        D
        Oh, I would never make her sad
                 A        G                Dm
        I got a hea-a-a...a-a-art full of soul

[repeat intro riff 2X; full band enters 2nd time]


[Guitar solo] (half-length verse):

  Dm                        G
  v     v     v     v       v     v     v     v
E|-------------------------|-------------------------|
B|-------------------------|-------------------------|
G|-------------10-12----10-|-------------------------|
D|-------12-12-------------|----12-------------------|
A|-------------------------|-------------------------|
E|-------------------------|-------------------------|
                              ^^ 1/4-tone bend

  Bb                        Dm
  v     v     v     v       v     v     v     v
E|-------------------------|----------------10-------|
B|-------------------------|----------13-------------|
G|-------------10-12---b14-|-------------------------|
D|-------12-12-------------|-------------------------|
A|-------------------------|-------------------------|
E|-------------------------|-------------------------|

  Dm                        G
  v     v     v     v       v     v     v     v
E|-------------------------|-------------------------|
B|-------------------------|-------------------------|
G|-------------10-12----10-|-------------------------|
D|-------12-12-------------|----12-------------------|
A|-------------------------|-------------------------|
E|-------------------------|-------------------------|
                              ^^ 1/4-tone bend

   Bb                        Dm        [N.C.]
   v     v     v     v       v     v     v     v
E|-------------------------|-------------------------|
B|-------------------------|-------------------------|
G|-------------10--12--10--| b12---b12----------------|
D|----11-12-12-------------|-------------------------|
A|-------------------------|-------------------------|
E|-------------------------|-------------------------|
                     ^^^^^^^^^^ qtr-note triplet


[Chorus]

               D            F      G     D
        And I know, if she had me back again
                    Bb     F        D
        Oh, I would never make her sad
                 A        G                Dm
        I got a hea-a-a...a-a-art full of soul


[Intro]

(fuzz guitar, 4X; bongos enter 2nd time, full band 3rd)

  Dm
  v   v   v   v     v   v   v   v
E|-----------------|-----------------|
B|-----------------|-----------------|
G|-----7---7-5-7-9-|-----7---5-7-5-7-|
D|-0---------------|-----------------|
A|-----------------|-----------------|
E|-----------------|-----------------|


[Verse 2]

        She's been gone such a long time
        Longer than I can bear
        But if she says she wants me
        Tell her that I'll be there
        And if she says to you
        She don't love me
        Just give her my message
        Tell her of my plea


[Chorus]

               D            F      G     D
        And I know, if she had me back again
                    Bb     F        D
        Oh, I would never make her sad
                 A        G                Dm
        I got a hea-a-a...a-a-art full of soul


[Intro]

(fuzz guitar, 4X; bongos enter 2nd time, full band 3rd)

  Dm
  v   v   v   v     v   v   v   v
E|-----------------|-----------------|
B|-----------------|-----------------|
G|-----7---7-5-7-9-|-----7---5-7-5-7-|
D|-0---------------|-----------------|
A|-----------------|-----------------|
E|-----------------|-----------------|

Note: I saw the Yardbirds perform this on some TV show and Chris Dreja was
playing the acoustic rhythm part on a 12-string tuned down a whole tone:


[Verse] Em A C Em (4X)

[Chorus] E G A E
         C G E
         B A Em