He also arranged and conducted for these singers .
Stuart studied at a conservatory before accompanying singers such as Billie Holiday ( 1956 ) , Della Reese ( 1957 -- 59 ) , and Sarah Vaughan ( 1961 -- 63 ) .
Stuart also arranged and conducted for these singers .
Stuart studied at a conservatory before accompanying singers such as Billie Holiday ( 1956 ) , Della Reese ( 1957 -- 59 ) , and Sarah Vaughan ( 1961 -- 63 ) .