How one composer attempts to break the concert mold

How do you shake up the concert experience in a field that depends on you listening, with focus, to people making music? The classical music world is actively looking for an answer. In November, Mason Bates, the Kennedy Center's composer-in-residence, offered one solution to launch his new series KC Jukebox, filling three separate spaces with different kinds of music and letting the audience (with drinks) mill among them. On Monday, he presented his second concert, this time in the Theater Lab -...