RADIO

Puppeteer Shari Lewis will give Lambchop a hand when the two host “The World’s Largest Concert,” a half-hour radio performance by about 500,000 people linked by satellite to be heard March 17 on National Public Radio affiliates. The event, themed “America Takes Note,” celebrates the 150th anniversary of music education in American schools. More than half a million music students, teachers, professional musicians, choruses and orchestras are expected to participate.