K. 626b/51

Mozart: “A few bars of music” (lost), K. 626b/51

ヴォルフガング・アマデウス・モーツァルト作

Posthumous portrait of Mozart by Barbara Krafft, 1819
Mozart, posthumous portrait by Barbara Krafft, 1819

“A few bars of music” (K. 626b/51) is a lost, undated musical fragment transmitted only by catalogue report rather than a surviving score. Its attribution to Wolfgang Amadeus Mozart (1756–1791) is uncertain, and no key, instrumentation, or occasion can be securely stated.

What Is Known

K. 626b/51 is listed in the Köchel Supplement under the brief description “A few bars of music” and is marked as lost—that is, no manuscript is presently available for study and no reliable musical incipit is in circulation.[1] The entry provides no key, date, place, or performing forces.[1]

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Because the source itself is missing, the fragment’s authenticity cannot be tested against Mozart’s handwriting, paper types, or compositional habits; in practice it must be treated as a doubtful or possibly spurious report of a Mozart autograph rather than a securely attributable work.[1]

Musical Content

No notated music is currently accessible. As a result, the musical substance (melody, harmony, texture, and genre) cannot be described from primary evidence, nor can the fragment be connected with any specific period in Mozart’s stylistic development.

[1] Wikipedia — Köchel catalogue (table entry includes “626b/51 ‘A few bars of music’ (lost)”).