Calvin Alan Byrd, professionally known by his stage name 40 Cal, is an American rapper. He was a member of Harlem-based hip-hop group The Diplomats.
40 Cal made his first appearance on the self-titled theme song, "40 Cal" for the Dipset album... Wikipedia
Born: 1981 (age 42 years), Harlem, New York, NY
Full name: Calvin Alan Byrd
Origin: Harlem, New York City, U.S.
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