the dictionary begins with a dedication to D. Margarita Pignatelli, emphasizing the importance of music and its cultural significance, particularly in Italy. Bertini outlines the need for a comprehensive bibliographical resource on music, explaining that despite the advancements in this art form, there has been a lack of attention to its literary history. He describes the structure of the dictionary, which will organize entries alphabetically for ease of reference, and sets forth its ambition to inform readers about the contributions and successes of various historical figures in music, laying the groundwork for a more established understanding of the art and its progress over time. (This is an automatically generated summary.)