Hundreds of musicians took part in the Baltimore Symphony Orchestra's "Rusty Musicians," a concert in which amateurs had the opportunity to share stands with professionals under the direction of BSO Music Director Marin Alsop.

Tonight on the NewsHour, Jeffrey Brown talks to Wu Man, who at age 45 is one of the world's leading musical ambassadors. She's a master of the pipa -- a four-stringed lute with ancient roots in central Asia and China.