Super Bowl IV halftime show, January 11, 1970 at Tulane Stadium (New Orleans, Louisiana). Performing: Marguerite Piazza, Doc Severinsen, Al Hirt, Lionel Hampton, Carol Channing, Southern University Marching Band. Theme: Tribute to Mardi Gras. Setlist: "Do You Know What It Means to Miss New Orleans?" · "When the Saints Go Marching In" Marguerite Piazza was an American soprano, entertainer and philanthropist from New Orleans, Louisiana. Wiki link Super Bowl IV: Wiki link