This is based on the 2004 movie version.  The song has slightly different chords to other
versions.  The soundtrack also included prelude to 'Music of The Night', But I'll include that
part when I do 'Music of The Night'.  Oh, and how to do the famous intro sequence?  Here's how.

(Ring the first and fifth chords in the sequence.)
Dm
Dm,C#,C,B,Bb,
Bb,B,C,C#,Dm
Dm,C#,C,B,Bb,
(Ring both chords)
Ab,Bb
Bb,B,C,C#,Dm

(Christine)
Dm           Gm
 In sleep he sang to me
C             Dm  C Dm(ring)
 In dreams he came
Dm               Gm
That voice which calls to me
C              Dm
 And speaks my name
         Bb
And do I dream again
C          Dmsus4 Dm
 For now I find
    Dm
The Phantom of the Opera
   Edim            Dm (ring)
Is there inside my mind

Dm,C#,C,B,Bb,
Ab,Bb
(Progressive change to Gm)
D,C#,C,Bb,Gm

(Phantom)
Gm           Cm
 Sing once a-gain with me
F            Gm
 Our strange duet
Gm        Cm
 My power over you
F            Gm
Grows strong-ger yet
               Eb
And though you turn from me
F             Gm
 To glance be-hind
    Gm
The Phantom of the Opera
   F#dim         Gm
Is there inside your mind

Gm,F#,F,E,Eb,

(Change to Em)
D (ring) D7 (ring)

Em (ring)

(Christine)
Em              Am
 Those who have seen your face
D             Em
 Draw back in fear
Em        Am
 I am the mask you wear
(Phantom)
D             Em
 It's me they hear

[Phantom],(Christine)
                   C
(Your)/[My] spirit and (my)/[your] voice
D           Em
 In one com-bined
    Em
The Phantom of the Opera
   C#dim                    Em
Is there inside [your]/(my) mind

(backup)
     Em                       C
He's there the Phantom of the Opera
(Christine)
     Em                Em,E,D,C#, C
He's there the Phantom of     the Opera
Em Em,E,D,C#,C
Ah!.................
               C,C#,D,F,F#m                   
[Sing,my angel of mu-usic]
F#m F#m,F,E,Eb,D
Ah!................
         D,Eb,E,F,F#m
[Sing my a-an-gel]
F#m F#m,F,E,Eb,D
Ah!.................
          D,Eb,F#,A,Abm
[Sing for me]
Abm A,F#,F#,F,E
Ah!.................
 E,F,F#,F#,A,Abm
[Sing]
Abm A,F#,F#,F,E
Ah!...
               E,F,F#,F#,A,Abm
[Sing,my angel]
Abm
Ah!...
Abm
Ah!...
             Abm A,F#,F#,F
[SING FOR ME!]
Abm (ring)
AHHH!