Under Your Wings I'll Hide is not the ideal song for a lone guitar, when so much 
happening at the same time. But this could be used as a good start for you who like to improvise.
    There is a melody in the chord A with A, Asus, Asus2, A. But you would need to 
listen to the song to make it easier for you.
( http://www.youtube.com/watch?v=UFQ0dCSYubQ )
 Good luck!

A*

A   Asus2 A   Asus4 A
Fire haunts us, holds us now.
A (x02220@1)                     Asus2 (x02200@1)  A (x02220@1) Asus4 (x02230@1)ABright (x02220@1)eyes still, hides us,   takes  us  now.
AStill (x02220@1)spins us wild

A*      Improvise through the chord.

A (x02220@1)   E (022100@1)   F#m (244222@1)D (xx0232@1)       E (022100@1) F#m (244222@1)  A (x02220@1) Sweet voice calls us
      D (xx0232@1)   E (022100@1)  F#m (244222@1)A (x02220@1) (Asus4  Asus2 (x02200@1)Asus4 (x02230@1)A)
When black face chase us

F#m (244222@1)  E (022100@1)DCome (xx0232@1)to me, hide in me
F#m (244222@1)        E (022100@1)  Run into this
D (xx0232@1)             AStorms (x02220@1)fear us here

A*

F#m (244222@1)  E (022100@1)  D(/A) (xx0232@1)   x2

AAaaa... (x02220@1)
AFire... (x02220@1)F#m (244222@1)       E (022100@1)      D (xx0232@1)    /A
Haunts us, holds us now.
F#m (244222@1)       E (022100@1)      DBreaks (xx0232@1)us, takes us now.

A (x02220@1)F#m (244222@1)    E (022100@1)D (xx0232@1)                   F#m (244222@1)  E (022100@1) White tears call us.
      DWith (xx0232@1)fire, holds us down.

A*

A (x02220@1)           A*
They take us now

A (x02220@1)  (/B        /C# /D /E   /D /C# /B /A)
Under your wings I'll hide                x2

A (x02220@1)It's a bit messy at the end of the song. But the base-tones in the parentheses is a tip 
if you want something to happen at the end...

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