Artist Catalog

40 Cal.

Born: August 31 1981
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40 Cal.

Calvin Alan Byrd, better known as 40 Cal, was 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 Diplomatic Immunity 2. He took a part on MTV2's Fight Klub MC battles.