Gregory Mark Guidry (January 23, 1954 – July 28, 2003)[1] was an American singer-songwriter.

Born in St. Louis, Missouri,[2] he played piano and sang gospel as a child, and sang in a band with future Doobie Brother Michael McDonald as a teenager.

With help from Rich Lang, a friend and fellow musician, they wrote and recorded several demos, drove to New York City from St. Louis, and signed a publishing contract with CBS Records in 1977 and wrote songs for Climax Blues Band, Robbie Dupree, Exile, Johnnie Taylor, Sawyer Brown, and Reba McEntire.

[2] He signed with Columbia in 1982 and released an album, Over the Line, which produced two hit singles, "Goin' Down" (US No.

[1] His charred body was found in a car parked in his garage in Fairview, Tennessee.