Catalogued in RISM as “Demofoonte (Excerpts); Manuscript copy; CDN-Lu GM/AR 741” by Anonymus. RISM 820000212
Probable
The Andantino matches the violin incipit of an aria from Galuppi's Enrico: a borrowing between Galuppi's operas, if the Demofoonte copy is his setting.
Attributed copies compared (1 of 1 encoded incipit match):
1.1.1 Andantino · vl 1 · 14 of 15 pitches agree
'{6.3GA}/{8BB}{''6.3CD6E3DC}/{8C'B}{6.3''CD6E3DC}/8C'4B{6.'G3A}/{8BB}{6''C3DE}{6.D3C}/{8C'B}{6''C3DE}{6DC}/also RISM 840026405 1.1.1
also RISM 452017272 1.1.2
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.