Originally published in French in 1837, Guillaume Louis Bocquillon Wilhem's singing method was widely adopted by music educators in the 19th century. This English-language adaptation, revised by John Hullah and approved by the British government's Council on Education, provides a comprehensive guide to vocal technique and musical theory. Students of voice will find this book to be an indispensable resource. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.