Rap Takes Over Super Bowl Halftime, Balancing Celebration and Protest - The New York Times
List: Super Bowl Halftime Shows From 2000 to Now – NBC Los Angeles
List: Super Bowl Halftime Shows From 2000 to Now – NBC Los Angeles
Super Bowl halftime show past acts: All-time list of performers - Sports Illustrated
An illustrated history of the Super Bowl Halftime Show - Washington Post
Super Bowl Halftime Shows: List of Performers from 2004 to Now
Who played Super Bowl halftime last year? Past acts, performers - Sports Illustrated
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Super Bowl 56 Halftime Show: Who are the performers and what time does it start?
Every Super Bowl halftime show ranked - WTOP News
Super Bowl 2012: Madonna's Halftime Performance (Video) – The Hollywood Reporter
Super Bowl Halftime Performers Through The Years – Photo Gallery – Deadline