Craig Ferguson hosts this star-studded 125th anniversary celebration of the Boston Pops, telling the story of the orchestra's transformation from summertime entertainment for Bostonians to the national icon it is today. In the past eight decades the Pops has been under the leadership of just three conductors, Arthur Fiedler, John Williams and Keith Lockhart. This special features their work and interviews and/or performances by Audra McDonald, Kristin Chenoweth, Josh Groban, James Taylor, Vanessa Williams, Yo-Yo Ma, Wynton Marsalis, and Roberta Flack. Also featured is rare footage of favorite artists past and present, including Ella Fitzgerald, Sarah Vaughan, Johnny Cash, Benny Goodman, Tony Bennett, Sammy Davis, Jr., John Raitt, k.d. lang, The Carpenters, and Patti LaBelle.