This book is a PhD thesis that is considered the first study in Vietnam to recognize choir genres from the viewpoint musicology. The book covers issues such as: training methods; ways of organizing the team in the show; performance techniques to achieve the best resonance; genre, form, harmony and melody in chorus; analyze ways of composing music accompaniment for melody... The author Nguyen Bach has spent many years working in composition, choral performance with serious work spirit. With his long career in choral practice, he has accumulated a lot of experience and knowledge of choral music in Sai Gon before and after 1975. This book has been carefully crafted, from content to tables, charts and appendices. It can be said that the thesis of author Nguyen Bach has made a comprehensive assessment of the history of Vietnamese music in the choral genre.