James Samuel "Cornbread" Harris Sr. (born James Samuel Harris Jr.; April 23, 1927) is an American musician. He is a singer and pianist who performs in Minneapolis, Minnesota. He was a performer on Minnesota's first rock 'n' roll record, and is the father of record producer Jimmy Jam.

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Harris was born James Samuel Harris Jr. on April 23, 1927 in Chicago, Illinois, the son of James Samuel Harris Sr. (1893–1930), a gambler, and his wife, Alberta Jones Nelson (1895–1930). When his father was shot while gambling and his mother died of grieving, he was orphaned at age 3. He lived with foster families until he was 11 or 12 when he and his sister went to live with his grandparents in Saint Paul, Minnesota. 

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Harris helped invent Augie Garcia's "Hi Yo Silver," a 1955 song that was Minnesota's first rock 'n' roll recording. He performed on the record, which he called a one-hit wonder. 

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His repertoire includes blues and jazz and in his eighties, Harris still plays Minneapolis nightclubs including the Loring Pasta Bar in Dinkytown, Clubhouse Jäger in the North Loop and Palmer's and the Nomad World Pub on the West Bank.

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Harris is a mentor to Cadillac Kolstad and City Pages calls them the "must-see dueling-piano act in town"