Catalogued in RISM as “Concertos–F major; Manuscript copy; CZ-Bm A56738” by Anonymus. RISM 553004821
Same music
All three movements match Rosetti's clarinet concerto MurR C62 in E-flat; the anonymous incipits are a whole tone higher, as written for B-flat clarinet. The finale is an instrumental Rondo.
Attributed copies compared (3 of 3 encoded incipits match):
1.1.1 Allegro assai · cl solo · 8 of 8 pitches agree
{8'FA}/{''CCCC}{CCCC}/4.C{6DC}{8CCDE}/F-4-2-/{'8EG}/{BBBB}{BBBB}/4.B''q6D{6C'B}{8BB''CD}/{E'BBB}{BBBB}/also RISM 552000409 1.1.1 Concerto. Allegro
1.2.1 Romance · cl solo · 10 of 17 pitches agree
''2G{8AGFE}/4D2D4E/{8GF}4.F{6ED}{8GF}/2F{8EDEF}/''2F{8GFED}/8qD4C2C4D/{8FE}4.E{6DE}{8FE}/qq3DEFr2E{8DCDE}/also RISM 552000409 1.2.1 Romance.
1.3.1 Allegro molto · cl solo · 15 of 15 pitches agree
''8C/4F{6GA}4F{6GA}/{8FF6GA}{8FF6GA}/{8BBB}{AAA}/'8B/''4E{6FG}4E{6FG}/{8EE6FG}{8EE6FG}/{8AAA}{GGG}/{GFE}{ED'B}/also RISM 552000409 1.3.1 Rondo.
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.