Catalogued in RISM as “Overtures; Manuscript copy; CH-Gc Ab 240 Vol. III” by Anonymus. RISM 400066392
Same musicAlready named in the record
Matches the Ouverture of Mayr's Le due giornate (Milan 1801); the anonymous title already reads 'Sinfonia Nelle due Giornate Del Sig.r Simon Mayr'.
Attributed copies compared (1 of 1 encoded incipit match):
1.1.1 Largo · vl 1 · 6 of 6 pitches agree
''6E/86.3{E-'E}{E-E}{G-E}/,4B2-/4-8-{'DD}-/''6E/{8E6.-'3E}{8E6.-3E}{8G6.-3E}/,4B--/-8-{'DD}-/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.