Catalogued in RISM as “Overtures–C major (Arrangement); Manuscript copy; I-MC 6-E-5/27b” by Anonymus. RISM 852034586
Same music
Organ arrangement of the overture to Sterkel's Il Farnace (Naples 1782), matching the Frankfurt piano print over four bars, rhythm included.
Attributed copies compared (1 of 1 encoded incipit match):
1.1.1 · org · 9 of 9 pitches agree
'2(C)4-{8CC}/{8C,B'CC}{C,B'CD}/4EF2(-)/(2D)4-2'(C)4-{8CC}/{C,B'CC}{C,B'CD}/4EF2(-)/2'(D)4-{8DD}/{DCDD}{DCDE}/4FG2(-)/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.