I would like to thank all the people that helped me with this research. 

Firstly, thank you to my patience, knowledgeable and supporting supervisor Inês de Avena Braga, your help has been essential both in the research process and also in the editing one. 

Many thanks to my Maestro, Enrico Gatti, for these years. He has been constantly a truly fresh source of inspiration, a fantastic teacher and a mentor who indicated me the path for the quest for beauty.  

I am extremely grateful for the help received from prof. Marc Vanscheeuwijck in having access to his publications and to prof. Paul Everett for his precious consulting. 

I would like to say thank you to the competent and dedicated librarians who helped me in the process of gathering informations and the material pertinent for my investigations. Thanks to Jenny Bonnevier, from the Lund University Library, and to Dr. Andrea Harrandt, from the Musiksammlung der Österreichischen Nationalbibliothek of Vienna, for the kind and efficient assistance. 


Thanks a lot to all my friends who stood next to me and my work giving me energy and strenght during these years, a special grazie to Elia Celegato for the editing work and the lessons on the research catalogue. 


Thanks, finally, to my family: Marco, Mariangela and Andrea. Thanks for the constant support, for believing in me and my dreams, for the passions instilled and shared. To them I dedicate this research.