Couldn't find an accurate harmony. Here I post my suggestion. I hope you like it.
Corrections are welcome. Thank you.

[Verse 1]
          G#Don't (xx1114@1)you wake up yet
             Eb (x43121@3)
Give me some time
                  Fm7To (131141@1)watch you asleep
             C#Oh (x43121@1)angel of mine
    G# (xx1114@1)         EbAnd (x43121@3)I would be fine,
                       Fm7as (131141@1)long as you're near me
              C#Oh (x43121@1)angel of mine 

[Chorus]
       G# (xx1114@1)                                       B6But (02110x@1)tomorrow if a golden train came to take you away,
           C# (x43121@1)             G#Would (xx1114@1)you go or would you stay [Repeat]

[Verse 2]
G# (xx1114@1)                               EbHere (x43121@3)in this cozy room just me and you
Fm7 (131141@1)         
Cuddling and kissing, making sweet love,
C#Shooting (x43121@1)star wishing and watch the sun come up
              G#And (xx1114@1)then we'll sleep all day
                               EbMeet (x43121@3)in our dreams and live life our way
                          Fm7Drop (131141@1)it all off and we'll fly away,
                                C#Dip (x43121@1)through the stars and wake up slowly 

[Chorus]

       G# (xx1114@1)                                       B6But (02110x@1)tomorrow if a golden train came to take you away,
           C# (x43121@1)             G# (xx1114@1)       
Would you go or would you stay [Repeat]

[Bridge]
B6 (02110x@1)           C# (x43121@1)             G# (xx1114@1)Bap ma u maleeero duip dap dap dap
G#Oh (xx1114@1)one thing I know for sure
       C# (x43121@1)                   G#Is (xx1114@1)my love for you is deeper than any root or stone,
              CMamma (x32010@1)told me so,
       C# (x43121@1)              G#Don't (xx1114@1)walk the streets alone [Repeat]

[Chorus]

       G# (xx1114@1)                                       B6But (02110x@1)tomorrow if a golden train came to take you away,
           C# (x43121@1)             G#Would (xx1114@1)you go or would you stay [Repeat]... with me.



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