Jus novum (c. 1140-1563) Jus novissimum (c. 1563-1918) Jus codicis (1918-present) Other Sacraments Sacramentals Sacred places Sacred times Supra-diocesan/eparchal structures Particular churches Juridic persons Philosophy, theology, and fundamental theory of Catholic canon law Clerics Office Juridic and physical persons Associations of the faithful Pars dynamica (trial procedure) Canonization Election of the Roman Pontiff Academic degrees Journals and Professional Societies Faculties of canon law Canonists Institute of consecrated life Society of apostolic life Musicae Sacrae (On Sacred Music) is a 1955 encyclical by Pope Pius XII dealing with Catholic liturgical music.

It updated the 1903 motu proprio Inter pastoralis officii sollicitudines, and was furtherly amended by the instruction Musicam sacram in 1967.

The encyclical continued in the tradition of Inter pastoralis officii sollicitudines of keeping a rather conservative attitude toward music used in worship.

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