St John's College Choir School to the Cardiff Metropolitan Cathedral League Tables of Best Schools Choir Schools' Association St David's Hall Lunchtime Concert Series Werner Icking Music Archive Choral Public Domain Library Music Library Archive Gregorian Chant / Kyriale Gregorian Chant Propers General Instruction on the Roman Missal "Article 41: All other things being equal, Gregorian Chant holds pride of place because it is proper to the Roman Liturgy. Other types of Sacred Music, in particular, polyphony, are in no way excluded..." Cathedral Music Links "Reasons for singing" by William Byrd "The Mozart Effect" Wikipedia Online Encyclopedia Dominic Neville, Assistant Director of Music Directory of Choirs