Dr. Joanna K. Love is an associate professor of music at the University of Richmond. Her work focuses on twentieth and twenty first century American popular music and its role in advertising, video, and film. She is the author of Soda Goes Pop: Pepsi-Cola Advertising and Popular Music and co-editor of the forthcoming book Sonic Identity at the Margins. She joins Sounding Off to discuss all things Super Bowl Halftime Show and shares her favorite performances of all time.