preface that outlines the author's intent to provide a structured approach to the study of English hymns, emphasizing the sources from which the Church draws its sacred songs. Gregory acknowledges the contributions of notable hymn-writers and discusses the limitations of his own work while expressing a desire for it to serve as a meaningful resource for future inquiries into hymnology. In the introduction, he establishes the essential nature of hymns, positing them as crucial vehicles for expressing the depth of faith and devotion, while addressing their evolution from biblical psalms to modern compositions. The portion sets the groundwork for examining what constitutes a "true hymn," aiming to engage readers in understanding not just how hymns are sung, but the profound emotional and theological significance they hold for individuals and the church as a whole. (This is an automatically generated summary.)