Arvo Pärt's music fills Kennedy Center Concert Hall for great free performance

There's something about the music of Arvo Pärt that makes people stop driving. In the late 1970s, the record producer Manfred Eicher heard it on the car radio and pulled off the road to listen until it was over. In 1984, Toomas Hendrik Ilves, the future president of Estonia, at the time a college professor in Canada, heard on his car radio the recording Eicher had subsequently released. He pulled off the road in his turn. Ilves told his story to the audience at the start of a remarkable free co...