Bb/A Bb/G (x 2) D# Bb/A Bb/G (Bbmaj7 Bb6) Bb Someone's Knockin' At The Door Somebody's Ringin' The Bell Someone's Knockin' At The Door Somebody's Ringin' The Bell D# Do Me A Favor, Bb Open The Door And Let 'Em In (repeat last parragraph) Bb D# Bb F7 Bb Sister Suzie, Brother John, F7 Bb Martin Luther, Phil And Don, F7 Bb Brother Michael, Auntie Gin, F7 (F Am Adim Dm F Bb) Open The Door And Let 'Em In. Bb D# Bb F7 Bb Sister Suzie, Brother John, F7 Bb Martin Luther, Phil And Don, F7 Bb Uncle Ernie, Auntie Gin, F7 (F Am Adim Dm F Bb) Open The Door And Let 'Em In. Bb Someone's Knockin' At The Door Somebody's Ringin' The Bell Someone's Knockin' At The Door Somebody's Ringin' The Bell D# Do Me A Favor, Bb Open The Door And Let 'Em In. Bb D# Bb F7 Bb Sister Suzie, Brother John, F7 Bb Martin Luther, Phil And Don, F7 Bb Uncle Ernie, Auntie Gin, F (F Am Adim Dm F Bb) Open The Door And Let 'Em In. Bb Someone's Knockin' At The Door Somebody's Ringin' The Bell Someone's Knockin' At The Door Somebody's Ringin' The Bell D# Do Me A Favor, Bb Open The Door And Let 'Em In. Bb D# Bb