Intro:

      (harmonica w/piano and bass)

      G5       D5     C5     D5 [N/C/]
      / / / /  / / / /  / / / /  /

Verse 1:
                   G5   D5              C5         A5
      The road is long      with many a winding turn
            D5   D#5  E5          F5               A5  A5 D5
      That leads us to who knows where, who knows where
                G5    D5                   E5   Eb5
      But I'm strong      strong enough to carry him
      G5                A5 D5          G5
        He ain't heavy            he's my brother
      [1:  A5 D74]
             (So on...)
      [2:  A5 G5 ; to bridge]
      [3: to harmonica solo]

Verse 2:

      So on we go  his welfare is of my concern

      No burden is he to bear, we'll get there

      For I know he would not encumber me

      He ain't heavy, he's my brother

Bridge:
              C5       D5
      If I'm laden at all
           C5         D5
      I'm laden with sadness
            B5         D5
      that everyone's heart
            C5  B5           E5 G5
      Isn't filled    with the gladness
          C5   / B5 A5          A5     D5 [N/C/]
      Of love       for one another

Verse 3:

      It's a long, long road  from which there is no return

      While we're on the way to there, why not share
               G5   B5  / F#5 / D5   / F#5  / D5  E5     Eb5
      And the load     Doesn't weigh me down at all

      He ain't heavy, he's my brother

[harmonica solo over first two lines of verse]

Coda:
       G5              D5  E5  D5
      He's my brother
                 G5   D5       C5   D5
      He ain't heavy      he's my brother
                 G5   D5       C5   D5
      He ain't heavy      he's my brother [fade]