To my readers once again through this little work, greetings. For the many kind things said of my former works by my friends, my pupils, the critic and the profession, thanks! To those who have understood and appreciated the principles laid down in my last book, Position and Action in Singing, " I will say that this little work will be an additional help. To my readers in general, who may not have fully understood or appreciated the principles of vitality, of vitalized energy, aroused and developed through the movements set forth in my last book, to such I will say that I hope this little work will make clearer those principles. I hope that it may lead them to a better understanding of the fundamental principles of the system, principles which are founded upon natural laws and common sense. In this work I have endeavored to logically formulate my system. "