I did this with my ukulele, I'm not too sure about the G6 chord but it was the closest
that I found.

Intro:

D A G D G D A (x2)

D (xx0232@1)                 AIf (x02220@1)a tree is just a tree
      G (320003@1)             DThen (xx0232@1)who and what are we
      G (320003@1)            DI (xx0232@1)am you and you are me
           ADon't (x02220@1)you see

        D (xx0232@1)              AIf (x02220@1)the wind is just the wind
            G (320003@1)             DWhere's (xx0232@1)it end where's it begin
         G (320003@1)               DDoes (xx0232@1)it know how long its been
    AI (x02220@1)wonder
                 G (320003@1)  DCome (xx0232@1)wonder with me
                 G (320003@1)  DCome (xx0232@1)wonder with me


           AAnd (x02220@1)when times get tough
      A#m (x13321@1)                   Bm (x24432@1)                     GAnd (320003@1)friends they scream your name with shades of fire
          D (xx0232@1)    A (x02220@1) G6I'll (320000@1)be waiting
          D (xx0232@1)    A (x02220@1) G6I'll (320000@1)be waiting

           D (xx0232@1)            AWhen (x02220@1)the flowers up and bloom
   G (320003@1)              DI (xx0232@1)can't help but assume
         G (320003@1)             DThat (xx0232@1)my mind is your own room
                      AAnd (x02220@1)you're comfortable


       D (xx0232@1)        AIf (x02220@1)a tree just a tree
      G (320003@1)             DThen (xx0232@1)who and what are
         G (320003@1)          DAre (xx0232@1)we gentle are we free
        AI (x02220@1)wonder

                 G (320003@1) DCome (xx0232@1)wonder with me
                 G (320003@1) DCome (xx0232@1)wonder with me


          AAnd (x02220@1)when times get tough
      A#m (x13321@1)                   Bm (x24432@1)                     GAnd (320003@1)friends they scream your name with shades of fire
          D (xx0232@1)    A (x02220@1) G6I'll (320000@1)be waiting
          D (xx0232@1)    A (x02220@1) G6I'll (320000@1)be waiting
          D (xx0232@1)    A (x02220@1) G6I'll (320000@1)be waiting
          D (xx0232@1)    A (x02220@1) G6I'll (320000@1)be waiting

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