Manuscript album of fifteen vocal duets and trios by Cimarosa, Haydn, and others, together with a collection of manuscript performance parts for Fidelio, notated in full score on up to twelve staves per page, in two early nineteenth-century hands, ... the performance parts for Fidelio in Italian and German, dating from around the 1840s, some with the stamp of the Berliner Kunstverein, others with the stamp of the Bibliotheca Landsbergiana, containing music from the finales to both acts and the trio in Act 1, one dated 1843, several hundred pages, 28 x 22 cm.