Enya - Drifting tab

I am just going to list the chords, in order. Here goes:

Cmaj7     Cmaj7/G   Fmaj7

Cmaj7     Cmaj7/G   Fmaj7       Dm         Dm7

G         Dm        Dm7         G  (repeats)

Then at the “ooohhh” part it goes ….

C         C/Bb      Ab      Db(9)      Db       
Ooooh               oohh……………….  
            
[ Tab from: http://www.guitaretab.com/e/enya/150373.html ]
Ab         Db(9)    Db
oohh ……………… 


Gb               Eb     Ab        Db(9)   Db
Oohh……………..      oohh……………….  


Ab          G                 C
Oohh……………………………    


Cmaj7: x32000 or x35453
Cmaj7/G: 332000 or 335453
Fmaj7:  x03210 or x8 10 9 10 8
Dm: xx0231 or x57765
Dm7: xx0211 or x57565
C/Bb: x12010
Db(9): x43x44
Db: x46664 or x43121 or xx3121
Ab: 466544
Eb: x68876 or xx5343 or xx1343