I'm pretty sure these are the correct root notes, though the chords he plays may be slightly
different.
I try to stay away from the notes on the bottom three strings for the minor 7th chords.
You can play it with these chords in standard tuning, but Sting plays it in drop D
Intro
Gm7 Dm7 Eb Cm7 Eb F Cm7
Verse 1
Gm7 Dm7
The angel Gabriel from heaven came
Eb F
His wings as drifted snow, his eyes as flame,
Cm7 Eb F
All hail said he, thou lowly maiden Ma--ry
Eb
Most highly favored lady
Chorus
Eb Cm7 Bb
Glo--oooo--ria
Am7 Eb
Glo--oooo
Verse 2
Gm7 Dm7
For known a blessed mother thou shalt be
Eb F
All generations laud and honor thee
Cm7 Eb F
Thy Son shall be Emmanuel, by seers foretold
Eb
Most highly favored lady.
Chorus
Eb Cm7 Bb
Glo--oooo--ria
Am7 Eb
Glo--oooo
Solo
Dm7 Eb Cm7 Eb F Cm7
Verse 3
Gm7 Dm7
Then gentle Mary meekly bowed her head
Eb F
To me be as it pleaseth God, she said
Cm7 Eb F
My soul shall laud and magnify his holy name
Eb
Most highly favored lady
Eb Cm7 Bb
Glo--oooo--ria
Am7 Eb
Glo--oooo