who played in the original lineup of the Funk Brothers, often lacking the recognition accorded to star vocalists, was born in Detroit, Michigan, the son of Ollie and Maudie Thomas Cosby. His father, who worked as a porter, was born in Missouri, and his mother, who worked as a maid, in Georgia; they married in Detroit on 20 January 1927 at the ages of twenty-four and eighteen. Cosby may have been the couple’s only child.
Little has been documented about Cosby’s early years, but he graduated from Northern High School in Detroit, where he played in the school band. He also served in the U.S. Army in the early 1950s, during the Korean War, playing in a military band with jazz musician
After the war Cosby joined the jazz combo featuring pianist Joe Hunter, alongside