This sounds different than the original, but you can still play along to the song! 
I chose to put the lyrics to the one without Common, because I don't like that one 
that much. Sounds better finger picked.

Chords:
G-      [320033]
G/f#-   [200033]
C -     [x3201x]
Em-     [x22000]
Bm-     [224432]
Am-     [x0221x]


Capo 1

G                       G/f#
I wanna be your favorite song
C
You can turn it up, play me all night long
G                       G/f#
I wanna be your favorite song
C
La la la la la

Em                  Bm
Listen can you hear me
Am
Am I coming in on your frequency
Em      Bm
I got a story
Am
Subject of the plot, you and me
Em                                      Bm
And when you're sleeping, and when you're waking
Am
And when you're feeling good
Em                            Bm
I'll be the thing that, you want to sing back
Am
Stuck in your head like I knew you would

G                       G/f#
I wanna be your favorite song
C
You can turn it up, play me all night long
G                       G/f#
I wanna be your favorite song
C
La la la la la

G                       G/f#
I wanna be your melody
C
Flowing through your head, when you think of me
G                       G/f#
I wanna be your favorite song
C
La la la la la


You'll be singing like
Em  Bm   Am
Ooh ooh ooh ooh

Em                 Bm
Baby can you feel me
Am
I'm the kick drum that gets your heart to beat
Em                 Bm
I gotta have you near me
Am
You can count me into every song I sing

Em                                   Bm
And when you're sleeping, and when you're waking
Am
And when you're feeling good
Em                        Bm
I'll be the one that you want to comeback
Am
Stuck in your head like I knew I would

G                      G/f#
I wanna be your favorite song
C
You can turn it up, play me all night long
G                       G/f#
I wanna be your favorite song
C
La la la la la

G                      G/f#
I wanna be your melody
C
Flowing through your head, when you think of me
G                       G/f#
I wanna be your favorite song
C
La la la la la

You'll be singing like
Em   Bm   Am
Ooh ooh ooh ooh
 
Em              Bm        
Baby, Baby, tell me what you're thinking of
Am
I could, I could, be the melody you dream about
Em                                          Bm
We could, we could, we could rock it until we get enough
Am
La la la la la

Em                          Bm
Baby, Baby, tell me, tell me, what you're feeling now
Am
I could, sing it, sing it loud, loud, sing it out
Em                             Bm
We could, we could, we could, rock it, until we get it now
Am
La la la la la

G                       G/f#
I wanna be your favorite song
C
You can turn it up, play me all night long
G                      G/f#
I wanna be your favorite song
C
La la la la la

G                      G/f#
I wanna be your melody
C
Flowing through your head, when you think of me
G                       G/f#
I wanna be your favorite song
C
La la la la la

You'll be singing like
Em   Bm   Am
Ooh ooh ooh ooh

G                                  G/f#
All I wanna, all I wanna, all I wanna say is
C
I just wanna sing it to you everyday
G                                   G/f#
All I wanna, all I wanna, all I wanna say is
C
La la la la la [2x]