Intro: Bb7  Bb  C 

Bb7M 
Someone's knockin' at the door 
Bb6 
Somebody's ringin' the bell 
Bb7M 
Someone's knockin' at the door 
Bb6 
Somebody's ririgin' the bell 
F7/Bb 
Do me a favor 
Eb/Bb                          
Open the door and let 'em in 

Interlude: Bb7M  Bb6  Bb7M  Bb6 Bb7M  Bb6  F7/Bb   Eb/Bb Bb7M  Bb6   

Fm            Bb 
Sister Suzie, Brother John 
Fm             Bb 
Martin Luther, Phil and Don 
Fm               Bb 
Brother Michael, Auntie Gin 
Fm                F                        F7M  F  F6  F 
Open the door and let 'em in 
Bb7M 
Someone's knockin' at the door 
Bb6 
Somebody's ringin' the bell 
Bb7M 
Someone's knockin' at the door 
Bb6 
Somebody's ringin' the bell 
F7/Bb 
Do me a favor 
Eb/Bb 
Open the door and let 'em in