Tom: Bbm Bb7+ Someone's knockin' at the door. Bb6 Somebody's ringin' the bell. Bb7+ 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. Bb7+ Bb6 Bb7+ Bb6 Bb7+ Bb6 F7/Bb Eb/Bb Bb7+ Bb6 Fm Bb Sister Suzie, Brother John, Fm Bb Martin Luther, Phil and Don, Fm Bb Brother Michael, Auntie Gin, Fm F Open the door and let 'em in. F7+ F F6 F Bb7+ Someone's knockin' at the door. Bb6 Somebody's ringin' the bell. Bb7+ 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.