books.google.co.jp - How important was music to Martin Luther? Drawing on hundreds of liturgical documents, contemporary accounts of services, books on church music, and other sources, Joseph Herl rewrites the history of music and congregational song in German Lutheran churches. Herl traces the path of music and congregational...http://books.google.co.jp/books/about/Worship_Wars_in_Early_Lutheranism_Choir.html?hl=ja&id=q15JGiDQ0iMC&utm_source=gb-gplus-shareWorship Wars in Early Lutheranism : Choir, Congregation, and Three Centuries of Conflict