Great song. Uses basic jazz chords. If you don't know those this song probably 
isn't for you, but here's a couple of the shapes:

Cmaj7 = x35453
Cmaj7/G = 3x545x
Cm7 = x35343
Gm7 = 353333

[INTRO]
Cmaj7   Gm7   G7
Cmaj7   Gm7   G7

[VERSE 1]
Cmaj7 (x32000@1) Gm7          Bbmaj7 (x13231@1)      I wish I was awillow (x02210@1)            Ebmaj7 (x43111@3)           F7And (131241@1)I could sway to the music in the wind
Cmaj7 (x32000@1)   Gm7          Cmaj7 (x32000@1) Cmaj7/G (332000@1)      I wish I was alover (x02210@1)           Ab7 (xx1112@1)      G7 (320001@1)         Cmaj7I (x32000@1)wouldn't need my costumes and pretend

Bbmaj7 (x13231@1)           Fmaj7 (1x3210@1) I wish I was a mountain
D7 (xx0212@1)                                     G7 (320001@1) I'd pass boldly through the clouds and never end
Cmaj7 (x32000@1) Gm7          Cmaj7 (x32000@1) And I wish I was a soft refrain
                      Ab7 (xx1112@1)    G7 (320001@1)            Cmaj7 (x32000@1)When the lights were out I'd play and be your friend

[BRIDGE - nice to play on 8th fret]
Fm7 (131141@1)          Cm7
  I strut and fret
Fm7 (131141@1)                Cm7
  My hour upon the stage
Fm7 (131141@1)        Cm7
The hour is up
          Fm7 (131141@1)            Cm7
I have to run and hide my rage
Fm7 (131141@1)       Cm7
  I'm lost again
Fm7 (131141@1)                  Cm7
  I think I'm really scared
Fm7 (131141@1)                 Cm7
  I won't be back at all this time
         Fm7 (131141@1)                G7And (320001@1)have my deepest secrets shared (whoa whoa whoa whoa whoaaaa...)

Cmaj7 (x32000@1)  Gm7         Bbmaj7 (x13231@1)    I'd like to be a willow,
Ebmaj7 (x43111@3)                        F7 (131241@1)    A lover, a mountain, or a soft refrain
Cmaj7 (x32000@1) Gm7           Cmaj7 (x32000@1)  Cmaj7/GBut (332000@1)I'd hate to be a grownup
             Ab7 (xx1112@1)    G7 (320001@1)         Cmaj7And (x32000@1)have to try and bear my life in pain

[SOLO]
Cmaj7 (x32000@1) Gm7       Bbmaj7Ebmaj7            F7Cmaj7   Gm7       Cmaj7Ab7     G7 (320001@1)      Cmaj7Bbmaj7            Fmaj7D7                G7 (320001@1)Cmaj7 (x32000@1) Gm7            Cmaj7 (x32000@1)    Cmaj7/GI'd (332000@1)    wish I was a soft refrain
                     Ab7 (xx1112@1)    G7 (320001@1)           Cmaj7When (x32000@1)the lights were out I'd play and be your friend

[REPEAT BRIDGE]
Fm7 (131141@1)          Cm7
  I strut and fret
Fm7 (131141@1)                Cm7
  My hour upon the stage
Fm7 (131141@1)        Cm7
The hour is up
          Fm7 (131141@1)            Cm7
I have to run and hide my rage
Fm7 (131141@1)       Cm7
  I'm lost again
Fm7 (131141@1)                  Cm7
  I think I'm really scared
Fm7 (131141@1)                 Cm7
     I won't be back at all this time
         Fm7 (131141@1)                G7And (320001@1)have my deepest secrets shared (whoa whoa whoa whoa whoaaaa...)

Cmaj7 (x32000@1)  Gm7         Bbmaj7 (x13231@1)    I'd like to be a willow,
Ebmaj7 (x43111@3)                        F7 (131241@1)    A lover, a mountain, or a soft refrain
Cmaj7 (x32000@1) Gm7           Cmaj7 (x32000@1)  Cmaj7/GBut (332000@1)I'd hate to be a grownup
             Ab7 (xx1112@1)    G7 (320001@1)         Cmaj7And (x32000@1)have to try and bear my life in pain

Cmaj7 (x32000@1)Gm7           Bbmaj7 (x13231@1)  I'd like to be a willow,
Ebmaj7 (x43111@3)                      F7 (131241@1)  A lover, a mountain, or a soft refrain
Cmaj7 (x32000@1) Gm7          Cmaj7 (x32000@1)  Cmaj7/GBut (332000@1)I'd hate to be a grownup
            Ab7 (xx1112@1)     G7 (320001@1)         Cmaj7And (x32000@1)have to try and bear my life in pain

Ab7 (xx1112@1)   G7 (320001@1)             Cm7
And I have to try to bear my life in pain
              Ab7 (xx1112@1)   G7 (320001@1)             Cm7
And I have to try to bear my life in pain
              Ab7 (xx1112@1)   G7 (320001@1)             Cm7
And I have to try to bear my life in pain
              Ab7 (xx1112@1)   G7 (320001@1)             Cm7
And I have to try to bear my life in pain