Dittersovy italské opery z Jánského Vrchu: současný stav pramenů.

During his stay at the castle Jánský Vrch near Javorník between 1771 and 1776, Carl Ditters von Dittersdorf composed at least twelve Italian operas for the Bishop of Wrocław, Philip Gotthard Schaffgotsch. Four of these operas were later performed in Esterházy under the direction of Joseph Haydn. Information on Ditters' operas is incomplete or erroneous in the existing literature; the purpose of this study is therefore to present the current state of the sources - libretti and scores. Most of the librettos are stored in the Department of Music History of the Moravian Museum in Brno, two librettos considered lost were newly found in the Scientific Library in Olomouc. All librettos from Esterházy have also been identified. The sheet music for eight operas is stored in Budapest, one score is in Vienna. The work La poesia e la musica in gara belongs to the genre of serenata, the opera I visionari is known only by name. This study reestablishes the chronology of Ditters' operas, identifying the authors of the libretti and the names of the performers. Haydn's settings for Esterháza are also briefly discussed. The most important outcome of the research was the identification of two arias from the lost opera Il viaggiatore americano in Joannesberg. [ABSTRACT FROM AUTHOR]