Early manuscript copy of the important castrato's collection of vocal exercises, ca. 1820. Oblong folio (220 x 330 mm), 44 pages. Black ink on heavy paper. Quarter vellum with blue paper boards, ownership plate to front board identified as "Esercizi e solfeggi / per / tenore e soprano / proprietà di / Giuseppe Colla." Boards rubbed and rather worn, scattered light foxing, overall in very good condition. The collection includes 20 exercises with basso continuo accompaniment, and an introduction by the author. Read More...