Catalogued in RISM as “Concertos–B♭ major; Autograph manuscript; LanD deest, KreD deest; D-Bsa SA 2749” by Anonymus. RISM 469274900
Same musicComposer disputedAlready noted by RISM
Comparator 550500620 already cites this autograph and cross-references Dittersdorf. The anonymous record itself raises Johann Gabriel Seyffarth as a possible composer from the handwriting and revisions. The one encoded incipit matches note for note; composer unresolved between Hofmann, Dittersdorf and Seyffarth.
Catalogue flags:
Attributed copies compared (1 of 2 encoded incipits match):
1.1.1 Concerto. Allegro. · vl 1 · 13 of 13 pitches agree
4'B{6,B'CDE}4.F8E/{DFB''D}4.'F8E/'4B{6,B'CDE}4.F8E/{DF}{B''D}'4.F8E/{DF}{B''D}2F/gF{8E6DC}'2G4A/''gC{'8B6AG}4.F{8B''DF}/1.1.2 · vl conc · no matching incipit among the attributed copies
=32/2'B{8''EDCt'B}/{''GF}2F{8BD}/{DC}2C{8G'B}/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.