Super Bowl XV halftime show, January 25, 1981 at Louisiana Superdome (New Orleans, Louisiana). Performing: Southern University Marching Band, Helen O'Connell. Theme: Mardi Gras Festival. Produced by Jim Skinner. Southern University and A&M College is a public historically black land-grant university in Baton Rouge, Louisiana, United States. It is the largest historically black college or university (HBCU) in Louisiana, a member-school of the Thurgood Marshall College Fund, and the flagship institution of the Southern University System. Its campus encompasses 512 acres, with an agricultural experimental station on an additional 372-acre (151-hectare) site, five miles (8.0 km) north of the main campus on Scott's Bluff overlooking the Mississippi River in the northern section of Baton Rouge. Wiki link Super Bowl XV: Wiki link