The text is available through several digital repositories, including a PDF version on Internet Archive and an eBook on Everand . Core Technical Principles
Lamperti distinguishes between vibration (the life of the tone) and vibrato. He taught that focused vibration is the result of perfect coordination between breath and the "inner ear". Squarespace Where to Access the PDF vocal wisdom lamperti pdf
The "wisdom" was passed down from Francesco Lamperti (the father) to Giovanni (the son), who refined rules heard directly from the great composers and singers of the "Golden Age," such as Rossini , Bellini , and Malibran . The text is available through several digital repositories,