Yo-Yo Ma; Harry Belafonte; Daniel Barenboim

Widely considered to be one of the greatest cellists alive, Yo-Yo Ma talks about his latest CD, "Classic Yo-Yo," and ends his appearance with a live performance in studio. Singer and civil rights activist Harry Belafonte talks about his work on an album and project called "The Long Road to Freedom: An Anthology of Black Music," for which he researched and recorded the music of black America from the 17th century to the early 20th century. Daniel Barenboim talks about bringing the Chicago Symphony Orchestra to Carnegie Hall, specifically the music of Richard Wagner, whom he says changed how people viewed music, but is also identified as Hitler's favorite composer.