NOTE: I think the C barre chord sounds better than the open C chord, but they both work just fine.
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C Am G C Am G

C              Am                  G
 Just when the days start getting colder
C             Am                 G
 I walk the streets I never knew
C             Am             G
 There's some words I never told you
     Am         Fm              C
 The sound rings out like the truth
                  Am                   F
 And if you could see what's come over me
                  C
 Then you would know
C                   Am
 Cause I'm walking free
                F
 The wind at my back
                C
 Bathed in afterglow
C      Am               G
 As I sit here in this dark room
C        Am                 G
 All I seem to feel is light
C        Am        G
 I see color, I see the maroon 
        Am           Fm              C
 In the blood of this life that's ours
                  Am                   F
 And if you could see what's come over me
                  C
 Then you would know
                    Am
 Cause I'm walking free
                F
 The wind at my back

 Bathed in after....
Am         F   Fm       C
 Watch the sun paint an orange sky
Am      F        Fm       C         Am G F  Am G F 
 Lay me down and feel the days gone by-y-y
C              Am    G                   F Fm
 Just when the days, just when the days, oh
C              Am                   G
 Just when the days start getting longer
C            Am                 G
 I walk the streets I never knew
     Am        Fm       C
 The sun comes out for you
                  Am                   F
 And if you could see what's come over me
                C
 Then you would know
                    Am
 Cause I'm walking free
                F
 The wind at my back
                 C
 Bathed in afterglow
                    Am
 Cause I'm walking free
                F
 The wind at my back
               C
 Bathed in afterglow, oh, oh