The Ink Spots were a popular vocal group that helped define the musical genre that led to rhythm & blues and rock and roll, and the subgenre doo-wop. They and the Mills Brothers, another black vocal group of the 1930s and 1940s, gained much acceptance in the white community. Their songs usually began with a guitar riff, followed by the tenor, who sang the whole song through. After the tenor finished singing, the bass would either recite the first half