Fm Someone's knockin' at the door A# Somebody's ringin' the bell Fm Someone's knockin' at the door A# Somebody's ringin' the bell Fm Do me a favor A# Open the door Fm And let 'em in A# Someone's knockin' at the door Fm Somebody's ringin' the bell A# Someone's knockin' at the door Fm Somebody's ringin' the bell A# Do me a favor Fm Open the door A# And let 'em in Fm Uh, yeah, let 'em in ( A#7M A#m7 ) Fm Sister Suzie, brother John A# Martin Luther, Phil and Don Fm Uncle Ernie, auntie Gin A# Open the door, let 'em in Fm Oh, yeah ( A#7M A#m7 ) Fm Sister Suzie, brother John A# Martin Luther, Phil and Don Fm Uncle Ernie, auntie Gin A# Open the door, let 'em in Fm Oh, yeah ( A#7M A#m7 ) Fm Someone's knockin' at the door A# Somebody's ringin' the bell Fm Someone's knockin' at the door A# Somebody's ringin' the bell Fm Do me a favor A# Open the door and let 'em in Fm Uh, yeah, let 'em in A# Sister Suzie, brother John Fm Martin Luther, Phil and Don A# Uncle Earnie, uncle Lin Fm Open the door and let 'em in A# Oh, yeah Fm Someone's knockin' at the door A# Somebody's ringin' the bell Fm Someone's knockin' at the door A# Somebody's ringin' the bell Fm Do me a favor A# Open the door and let 'em in Fm Uh, yeah, let 'em in ( A#7M A#m7 ) ( A#7M Fm A# )