It starts with open D and open A alternating 

 D                  G          D
In my dreams you're blowing me…Some kisses.
A                G             D
That's one of my favorite things to do.
D                   G          D
You and I could go down…In history.
A               G              D
That's what I'm planning to do with you.


Chorus:
 
G               A                 D
Let's duet, in ways that make us feel good. 
G               A                 D
Lets duet, and make that sacred sound, 
G               A                 D           Bm
put two and two together, perfect harmony we found. 
G               A                 D
We know it's only natural, lets do it!


D            G               D
I'm going to beat off…All my demons.
A            G               D
That's what loving Jesus' all about. 
D            G               D
Looking in your eyes, I start believing.
A            G               D
Lets bring this whisper to shout.


G               A                 D
Let's duet, in ways that make us feel good. 
G               A                 D
Lets duet, and make that sacred sound, 
G               A                 D           Bm
put two and two together, perfect harmony we found. 
G               A                 D
We know it's only natural, lets do it!

G
Did i hear you sighing?
C
What are you implying?
G
Look a little tired.
C
Music's got me wired.
G
Pretty good looking
C
Boy we're really cooking
A
Now!


D              G                   D
I just want to make out…What you're saying.
A                 G                    D
Read my lips. Its what you're looking for.
D              G         D  
Here I am, sneaking up behind ya.
A              G              D
You can always come in my backdoor.


G               A                 D
Let's duet, in ways that make us feel good. 
G               A                 D
Lets duet, and make that sacred sound, 
G               A                 D           Bm
put two and two together, perfect harmony we found. 
G                  A          G                 A
We know it's only natural, of course it's only natural, 
G                    A            D
God knows it's only natural, lets do it!