This volume serves as a comprehensive liturgical resource designed to standardize and provide musical settings for the daily offices of the church. The authors, including notable figures such as Percy Dearmer and Ralph Vaughan Williams, utilize their expertise in ecclesiastical history and musicology to compile a structured framework for daily worship. The text functions as a practical guide for clergy and congregations seeking to integrate traditional plainsong and hymnody into their daily devotional practices.

Experts recognize this work as a significant historical contribution to the development of 20th-century liturgical music. Readers frequently note the technical density of the musical notation, which requires a foundational understanding of traditional church music to utilize effectively.