See this legally free ebook:

See also these related books indexed in the Project:

  • Works on Catholic Music:
    • The Fundamentals of Gregorian Chant: A Simple Exposition of the Solesmes Principles Founded Mainly on “Le Nombre Musical Grégorien” of Dom André Mocquereau, by Lura F. Heckenlively (Tournai, Belgium: Society of St. John Evangelist, Desclée & Co., 1900). Available at Open Libraryand Internet Archive.
    • A Handbook of Church Music: a practical guide for all those having the charge of schools and choirs, and others who desire to restore plainsong to its proper place in the services of the Church, by F. Clement C. Egerton, with a preface by H.G. Worth (London: R. & T. Washbourne, c1909). With Imprimatur. Available on Internet Archive (Digitizing sponsor: MSN; Book contributor: Faculty of Music Library, University of Toronto).
    • The “Hermeneutic of Continuity” and Twentieth-Century Legislation on Sacred Music’, by Philip Carl Smith, Antiphon 13.3 (2009): 247-263. Available in PDF format on this page of the Society for Catholic Liturgy.
    • A Manual of Gregorian chant compiled from the Solesmes books and from ancient manuscripts (Rome, Tournai (Belgium): Society of Saint John the Evangelist/Desclee, Lefebvre & Co., Publishers to the Holy See and Printers to the Sacred Congregation of Rites, 1903). With Imprimatur. Also with approbation from Pope Leo XIII addressed to Abbot Paul Delatte, O. S. B., of Solesmes. Available at Internet Archive and Open Library (which reports: “Includes the Ordinary of the Mass in Latin with an English paraphrase by Dom Gueranger, and a commentary in English on the religious service.”)
    • Sacred Music, Vol. 128, No. 4 (Winter 2001). Published by the Church Music Association of America. Includes the articles: “The Easter Triduum in Milan”, by Vincent A. Lenti; “The Mozarabic Chant Books of Cisneros”, by Dr. Angel Fernandez Collado; and “Reflections on the Liturgical Reform”, by Professor Roberto de Mattei. Available in pdf format (on this page) at Musica Sacra.
  • Others:

On the Feast of Saint Cecilia in the Roman Rite. For similar texts see the subject index on Music. For other online texts and legally free ebooks, you may access the List of Free eBooks (Arranged by Title) and the List of Free eBooks (Grouped by Subject).

“[B]e ye filled with the holy Spirit, speaking to yourselves in psalms and hymns, and spiritual canticles, singing, and making melody in your hearts to the Lord, giving thanks always for all things, in the name of our Lord Jesus Christ, to God and the Father” (Ephesians v, 18-20)