Manfredini - Regole Armoniche - 1775

THE ART OF SINGING AND ACCOMPANYING BETWEEN VENICE AND ST. PETERSBURG
First edition of the Harmonic Rules by Vincenzo Manfredini, published in Venice in 1775, a refined theoretical-practical manual destined for eighteenth-century musical training. The work unites theoretical principles, performing technique, and accompaniment of the basso continuo, offering a snapshot of European musical didactics between Italy and Russia. Dedicated to Grand Duke Paul Petrovich of Russia, future Tsar Paul I, it testifies to the international prestige of the author, a composer active at Catherine II’s court.
MARKET VALUE
The first editions of Italian musical treatises from the eighteenth century, especially if accompanied by engraved plates and a portrait of the dedicatee, are valued on the musical antique market. Complete copies of the plates in contemporary bindings generally fall within a range of 500 to 1,500 euros, with possible increases when the printing is fresh and the binding is in good condition.

PHYSICAL DESCRIPTION AND CONDITION
Contemporary half-leather binding with marbled paper; tan spine label with title impressed in gold; red edges. Ex libris “Biblioteca Savigliano” on the paste-down. Frontispiece with a portrait of Grand Duke Paul Petrovich of Russia, engraved in copper by Antonio Baratti. Copper-engraved vignette on the title page. 7 copper-engraved plates off text, folded. Musical notations in the text engraved in copper and in wood. In old books, with a centuries-long history, some imperfections may be present that are not always noted in the description. Pages (2); 16; 78; 2nn; (2).

FULL TITLE AND AUTHOR
Harmonic Rules or reasoned precepts for learning the principles of music, the carriage of the hand, and the accompaniment of the bass over keyboard instruments.
Venice, Guglielmo Zerletti, 1775.
Vincenzo Manfredini.

CONTEXT AND SIGNIFICANCE
The Harmonic Rules constitute one of the most important Italian manuals for teaching music in the second half of the eighteenth century. The treatise systematically addresses harmonic theory, proper use of the hand on keyboard instruments, and techniques for accompanying the basso continuo, the foundation of period musical practice. The dedication to Grand Duke Paul Petrovich reflects cultural ties between Italy and Russia, in a period when Italian musicians were greatly present at the Russian imperial court. The work fits within the tradition of didactic treatises aimed at uniting pedagogical clarity with theoretical rigor, contributing to the diffusion of Italian musical taste in Eastern Europe.

BIOGRAPHY OF THE AUTHOR
Vincenzo Manfredini (1737–1799), composer and music theorist, was active as chapel master and court composer at Catherine II of Russia. Author of works, symphonies, and theoretical treatises, he contributed significantly to the diffusion of Italian music on an international stage. His Harmonic Rules represent the didactic facet of his activity, testifying to his competence both in practice and in theory.

PRINTING HISTORY AND CIRCULATION
Printed in Venice in 1775 by Guglielmo Zerletti, the work enjoyed wide circulation among musical and academic circles. The first edition is today the most sought after, especially in copies containing the plates and in contemporary bindings.

BIBLIOGRAPHY AND REFERENCES
ICCU/OPAC SBN, locations of the 1775 Venetian edition.
RISM (Répertoire International des Sources Musicales), entry Manfredini.
Eitner, Quellen-Lexikon der Musiker und Musikgelehrten.