Sketch leaf (doubtful, lost), K. 626b/03,01
av Wolfgang Amadeus Mozart
The Sketch leaf (doubtful, lost) (K. 626b/03,01) is a reported but no longer extant fragment, catalogued among the sketch materials associated with Mozart’s final year and the unfinished Requiem (K. 626). Nothing of its musical text survives, and both its attribution to Wolfgang Amadeus Mozart (1756–1791) and its original context remain uncertain.
What Is Known
K. 626b/03,01 is described in modern catalogue listings as a “sketch leaf” that is both doubtful in authenticity and lost—that is, a single leaf once reported (or otherwise registered) but not presently available for study, transcription, or comparison with Mozart’s securely authenticated autographs.[1] In the same reference context, the entry appears among items grouped with K. 626 (the Requiem), Mozart’s last, unfinished work, composed in Vienna in October–December 1791.[2]
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Because the leaf is lost and its contents are not transmitted in any reliable description, scholars cannot presently assess handwriting, paper type, watermarks, or compositional fingerprints that might link it securely to Mozart—or exclude him. In practice, it should therefore be treated as potentially spurious (a misattribution) or as an unverifiable report of a missing document.
Musical Content
No extant music is known from K. 626b/03,01, and no dependable incipit, scoring indication, or notated excerpt is currently available in accessible reference sources. As a result, the fragment cannot be described musically beyond its generic identification as a “sketch leaf.”[1]
[1] Köchel catalogue (table entry listing “626b/03,01 — Sketch leaf (doubtful, lost)”).
[2] Mozarteum (Köchel Verzeichnis): Requiem in D minor, K. 626 — overview and contextual placement within the KV catalogue.