I'm pretty sure this is how he plays it in this video
https://www.youtube.com/watch?v=CrjvHx-sIb4

      G         Dm          C         Em          F          D         Em7
e |---3---|  |---1---|  |---0---|  |---0---|  |---1---|  |---2---|  |---3---|
B |---3---|  |---3---|  |---1---|  |---0---|  |---1---|  |---3---|  |---3---|
G |---0---|  |---2---|  |---0---|  |---0---|  |---2---|  |---2---|  |---0---|
D |---0---|  |---0---|  |---2---|  |---2---|  |---3---|  |---0---|  |---2---|
A |---2---|  |---0---|  |---3---|  |---2---|  |---3---|  |---0---|  |---2---|
E |---3---|  x-------|  |---0---|  |---0---|  |---1---|  x-------|  |---0---|

    Cadd9       C5         D5         *Em        B5
e |---3---|  x-------|  x-------|  x-------|  x-------|
B |---3---|  x-------|  x-------|  x-------|  x-------|
G |---0---|  x-------|  x-------|  x-------|  x-------|
D |---2---|  |---5---|  |---7---|  |---5---|  |---4---|
A |---3---|  |---3---|  |---5---|  |---7---|  |---2---|
E |---0---|  x-------|  x-------|  x-------|  x-------|


G
 Lazy lover
      Dm
Find a place for me again
   C
You felt it once before
          Em
I know you did
         F      C
I could see it


G
 Whiskey Princess
        Dm
Drink me under, pull me in
   C
You had me at come over boy
 Em       
I need a friend
    F           C     D
I understand


D         Em7
Backseat serenade
       Cadd9       
Dizzy hurricane
   G                          D
Oh god, I'm sick of sleeping alone
                    Em7
You're salty like a summer day
         Cadd9
Kiss the sweat away
         D 
To your radio


D         Em7
Backseat serenade
       Cadd9
Little hand grenade
   G                         D
Oh god, I'm sick of sleeping alone
                    Em7
You're salty like a summer day
         Cadd9
Kiss the sweat away
         D       Cadd9
To your radio   


G
 You take me over
           Dm
I throw you up against the wall
     C
We've seen it all before
               Em
But this one's different
     F           C
It's deliberate


G
 You send me reeling
       Dm
Calling out to you for more
    C                            Em
The value of this moment lives in metaphor
      F              C     D
Yeah, through it all


D         Em7
Backseat serenade
       Cadd9       
Dizzy hurricane
   G                          D
Oh god, I'm sick of sleeping alone
                    Em7
You're salty like a summer day
         Cadd9
Kiss the sweat away
         D 
To your radio


D         Em7
Backseat serenade
       Cadd9
Little hand grenade
   G                         D
Oh god, I'm sick of sleeping alone
                    Em7
You're salty like a summer day
         Cadd9
Kiss the sweat away
         D     
To your radio 


e |------------------------------------------------------|
B |------0-----0-----------------0-----0-----------------|
G |------------------0-----0-----------------0-----0-----| x2
D |----5-----5-----7-----7-----5-----5-----4-----4-------|
A |--3-----3-----5-----5-----7-----7-----2-----2---------|
E |------------------------------------------------------|

 C5 D5 *Em B5 C5 D5 


          Em7
Backseat serenade
       Cadd9       
Dizzy hurricane
   G                          D
Oh god, I'm sick of sleeping alone
                    Em7
You're salty like a summer day
         Cadd9
Kiss the sweat away
         D 
To your radio


D         Em7
Backseat serenade
       Cadd9
Little hand grenade
   G                         D
Oh god, I'm sick of sleeping alone
                    Em7
You're salty like a summer day
         Cadd9
Kiss the sweat away
         D     
To your radio   


Em7  Cadd9  D