This volume serves as a comprehensive historical and musical investigation into the tradition of the carol, aiming to preserve and categorize the breadth of the genre. The authors, Martin Shaw, Percy Dearmer, and R. Vaughan Williams, utilize their expertise in musicology and liturgy to curate a collection that spans centuries of vocal composition. By providing detailed notes on sources and historical context, the text establishes a framework for understanding the evolution of carols from folk traditions to formal choral arrangements.

Experts and choral directors frequently cite this work as a foundational reference for the study and performance of traditional carols. Readers often note the academic rigor and historical depth provided by the editorial team, which remains a standard for choral libraries worldwide.