Big Dee Irwin
DiFosco Dee T. Ervin Jr. , usually known professionally as Big Dee Irwin, was an American singer and songwriter whose biggest hit was a version of Swinging On A Star in 1963, recorded as a duet with Little Eva.
Dee Ervin was born in Harlem, New York. Some sources give his first name as Defosca and his family name as Erwin.
Source: Wikipedia