See this online ebook:

  • Singing Chant: Latin and English: A Performance Manual, by Fr. Columba Kelly, OSB (Saint Meinrad, IN: Saint Meinrad Archabbey) (Copyright © 2015, 2017, Fr. Columba Kelly, OSB). Available in pdf format on this page of Saint Meinrad Archabbey.

See also the related texts on the page Music, as well as the following:

  • Music: First Year, by Justine Ward and Elizabeth W. Perkins (Washington, D. C.: Catholic Education Press, 1920). Part of The Catholic Education Series. Available in pdf format on this page of Musica Sacra.

On the Feast of Saint Blase in the Roman Rite. For other texts and ebooks, you may access the List of Free eBooks (Arranged by Title), the List of Free eBooks (Grouped by Subject), the List of Worth-It Catholic Books & eBooks, and the main page of the Catholic eBooks Project.