Capo at 5th, transpose +5,(or leave like this to sing with baritones!)
Ask if you want chord fingering help.

Intro  D (xx0232@1)A/C# (042220@1)G/B (143121@7)   A (x02220@1)D (xx0232@1) A/C# (042220@1)          G/B (143121@7)       Em7
The road is long,   with many a winding turns
      A (x02220@1)  A#?   Bm (x24432@1)            C (x32010@1)               Em7   Em7-A
That leads us,   to, who knows where, who knows where?
           D (xx0232@1) A/C# (042220@1)                Bm (x24432@1) BbBut (x1333x@1)I'm strong,   strong enough to carry him
D (xx0232@1)             Em7-A7         D (xx0232@1)    Em7-A7 
 He ain't heavy,      he's my brother

D (xx0232@1)A/C# (042220@1)               G/B (143121@7)      Em7
So on we go,    his welfare is of my concern
      A (x02220@1)    Bm (x24432@1)    C (x32010@1)             Em7     Em7-A 
No burden is he, to bear, we'll get there
       D (xx0232@1) A/C# (042220@1)             Bm (x24432@1)  BbFor (x1333x@1)I know,   he would not encumber me 
D (xx0232@1)             Em7-A7         D (xx0232@1)    Em7-D7/F# 
 He ain't heavy,     he's my brother

G (320003@1)     A/G (302220@1)    G (320003@1)         A/GIf (302220@1)I'm laden at all, I'm laden with sadness
      F#m (244222@1)      A (x02220@1)          F#m (244222@1)- A/E (002220@1)     Bm (x24432@1)- A (x02220@1) 
that everyone's heart, isn't filled with the gladness
     G-G/F#- (320003@1)Em (022000@1)Em/B (012000@1)     A (x02220@1)    A (x02220@1)Of love,          for one another

NC                 D (xx0232@1)A/C# (042220@1)                G/B (143121@7)     Em7
It's a long, long road,  from which there is no return
       A (x02220@1)         Bm (x24432@1)      C (x32010@1)           Em7     Em7-A
While we're on the way, to there, why not share
          D (xx0232@1) A/C# (042220@1)Bm-A (x24432@1)   G- (320003@1)A (x02220@1) Bm/F# (x2444x@1)  BbAnd (x1333x@1)the load,      doesn't weigh me down,  at all
D (xx0232@1)             Em7-A7          D (xx0232@1)    A/C# (042220@1) G/B (143121@7) Em (022000@1)A (x02220@1)Bm (x24432@1)C (x32010@1)Em (022000@1)A (x02220@1)He ain't heavy,      he's my brother

D (xx0232@1)    A/C# (042220@1)G/B (143121@7)A (x02220@1)He's my brother,
           D (xx0232@1)  A/C# (042220@1)       G/B (143121@7) AHe (x02220@1)ain't heavy,     he's my brother
           D (xx0232@1)  A/C# (042220@1)       G/B (143121@7) AHe (x02220@1)ain't heavy,     he's my brother   etc