Catalogued in RISM as “Overtures–D minor; Manuscript copy; PL-WRu 61457 Muz.” by Anonymus. RISM 301002876
Same music
The slow introduction matches the Ouverture (Largo) of Dalayrac's Camille, ou Le souterrain, rhythm included, through the descending run.
Attributed copies compared (1 of 2 encoded incipits match):
1.1.1 Adagio lento · vl 1 · 12 of 15 pitches agree, the attributed incipit starting 1 pitches into this one
2''D4.'D8D/4D4-4-3-{3''DC'B}{AG5FEDC}/4,BBB'B/AAAA/AAAA/AAAA/ABBB/BBBB/'2D^''D'4.D8D/4D4--3-{''DC'B}{AG5FEDC}/4,BBB'B/1.2.1 Allegro assai · vl 1 · no matching incipit among the attributed copies
2''D'A/F4.D6-6''D/'2bBG/D,bB/''EC/'bB4.G6-6''E/No encoded incipit matches this one.
Catalogue data and incipits come from RISM (Répertoire International des Sources Musicales), CC BY 4.0. Incipits are rendered with Verovio. Source and data: https://github.com/aaymeloglu/rism-attributions.