"California Studies in 20th-Century Music: Brecht at the Opera by J.H. Calico" is a textbook focused on exploring the work of Bertolt Brecht and his impact on the world of opera in the 20th century. Covering various aspects of Brecht's career and his influence on the development of modern opera, this book is a valuable resource for students and music enthusiasts looking to delve into the unique and innovative approaches to music and theater taken by Brecht during this period. 2008. Book is in good used condition with only a few minor dust jacket scuffs.