Forget politics. It's about the music.

Reports on a new studies on the religious life of Americans by University of Arizona sociologist Mark Chaves and music historian David Stowe. Statistics on the number of Americans who attend worship services regularly; Observation by Chaves that, on average, congregations put little effort into politics and community service programs, but are engaged in cultural activities such as musical and theatrical performances; Details of Stowe's book, "How Sweet the Sound: Music in the Spiritual Lives of Americans," in which he describes the variety of musical traditions in American churches.