Both Enrico Caruso and Luisa Tetrazzini are quite objective and we can learn a lot in a few pages.
The story of this incredible woman is really touching and we get stuck since the first minute of the movie.
There are forty interviews to famous opera singers and all about the technique of singing.
Definitive Guide for Opera Singers Auditioning and Working in Germany, Austria, and Switzerland is a wonderful book.
Sometimes everything is within a walking distance of an “Unless…”.
An interesting podcast about the Opera World.