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.

Andrew W.K., a solo rock act known best for his bombastic 2001 debut album, "I Get Wet," has earned a reputation as a party-friendly, long-haired headbanger who combines earnest optimism with exuberant piano playing plus some distorted guitar and frequent,…

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