In actuality, these works already enjoyed considerable renown at the time of their first publication and were then revised and adapted for the piano and, successively, various new modern editions. Nevertheless the thorough study of Serini in recent years has revealed him to be quite a unique musical figure of remarkable grandeur. His biography still contains many unknown aspects but thanks to recent discoveries it is being enriched with new elements little by little. Many points published here are, in fact, absolutely new.