Bbmaj7 Someone's knockin' at the door. Bb6 Somebody's ringin' the bell. Bbmaj7 Someone's knockin' at the door. Bb6 Somebody's ringin' the bell. Eb/Bb Do me a favor, Cm7/Bb Open the door and let 'em in. [Bridge] Bbmaj7 Bb6 Bbmaj7 Bb6 Bbmaj7 Bb6 F7/Bb Eb/Bb Bbmaj7 Bb6 [Chorus] 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. Fmaj7 F F6 F [Verse] Bbmaj7 Someone's knockin' at the door. Bb6 Somebody's ringin' the bell. Bbmaj7 Someone's knockin' at the door. Bb6 Somebody's ringin' the bell. Eb/Bb Do me a favor, Cm7/Bb Open the door and let 'em in.