God and Gospel Music

Gospel music is rooted in the church, but the genre has a broad appeal for artists who aren't necessarily believers. But can one separate the sound from the message? Today we find out if traditionalists take issue with appropriations of gospel in the music of Kanye West, Van Morrison, and others. Later: The Calder Quartet is a string quartet on the rise. The group joins us before their “Wordless Music” series performance with rocker Andrew W.K.