National Standards for Music Education http://www.menc.org/publication/books/standards.htm
Music in Liturgy http://www.npm.org/index.html
Music in Catholic Worship (USCCB) http://www.usccb.org/liturgy/current/musiccathworship.shtml
Info for Organists or Would-be Organists:) http://www.agohq.org/home.html