SAT Text Structure and Purpose Question

The Marsalis family is often referred to as “the first family of jazz.” Four of the children of celebrated pianist Ellis Marsalis Jr. went on to become performers who are also critically acclaimed: drummer Jason, trombonist Delfeayo, saxophonist Branford, and trumpeter Wynton. Wynton notably went on to become the first jazz composer to win the Pulitzer Prize for Music (for his oratorio Blood on the Fields). Which choice best describes the main purpose of the text?