"Ain't Nobody's Business" (originally "Tain't Nobody's Biz-ness if I Do") is a 1920s blues song that became one of the first blues standards. It was published in 1922 by Porter Grainger and Everett Robbins. The song features a lyrical theme of freedom of choice and a vaudeville jazz–style musical arrangement. It was first recorded, as "'Tain't Nobody's Biz-ness if I Do", in 1922 by Anna Meyers, backed by the Original Memphis Five.