The partes concerts for Cori Spezzati from the manuscripts of the Perm region of the 18th century

The author of the given article exams the collection of the manuscripts belonged to Pyskor Monastery. The manuscripts contain about 400 partes composition for 8, 12 and 16 voices, mostly concertos. All the manuscripts dated back to the reign of Elizabeth Petrovna. The collection allows to consider the repertoire of the Pyskor Monastery chorus, its connection with other Russian musical centers, and also the composition practice. The fact is established that compositions by Vasily Titov constituted no less than 10% of the partes repertoire. The two previously unknown concertos by Nikolay Kalachnikov are discovered. The new composer’s personality is found on the pages of manuscripts: Ivan Iovlev, the author of the concerto for 16 voices Praise God in Tympanum, who presumably belonged to Pyskor brethren. The facts of highest level of choral music and of surprisingly long life of baroque ( partes ) style in Ural are discovered.