[Primera Parte] 

E
  I know you're somewhere out there
 G#7
Somewhere far away
   C#m          B
I want you back
   A
I want you back

E
  My neighbors think I'm crazy
      G#7
But they don't understand
       C#m       B
You're all I had
       A
You're all I had

[Pre-Estribillo] 

F#m                     B               
    At night when the stars 
 F#m
Light up my room
            B
I sit by myself

[Estribillo] 

                A   B  C#m
Talking to the moon
              A  B  C#m
Tryna get to you
    A                  B
In hopes you're on the other side
 E             C#m           A
Talking to me too or am I a fool
           B
Who sits alone
                C#m  B  F#7
Talking to the moon?

[Segunda Parte] 

E
  I'm feeling like I'm famous
     G#7
The talk of the town
         C#m           B
They say I've gone mad
      A
Yeah, I've gone mad
E
  But they don't know what I know
        G#7
Cause when the sun goes down
           C#m         B
Someone's talking back
               A
Yeah, they're talking back

[Pre-Estribillo] 

F#m                     B              
    At night when the stars 
             F#m
Light up my room
            B
I sit by myself

[Estribillo] 
                A   B  C#m
Talking to the moon
               A  B  C#m
Try'na get to you
    A                  B
In hopes you're on the other side
 E             C#m           A
Talking to me too or am I a fool
           B
Who sits alone
                F#m
Talking to the moon?

[Terceira Parte]

         E
Aaaaaa...  aaaaaa
F#m            B
    Aaaaaa... do you ever 

Hear me calling?
F#m          E
    Aaaaaa...  aaaaaa
F#m
    Aaaaaa

[Estribillo Final] 

       B                               
'Cause every night 
                    A   B  C#m
I'm talking to the moon
                    A  B  C#m
Still tryna get to you
    A                  B
In hopes you're on the other side
 E             C#m           A
Talking to me too or am I a fool
           B
Who sits alone
                C#m  B  F#7
Talking to the moon?

[Final] 

E
  I know you're somewhere out there
 G#7
Somewhere far away