Fugue in G for Piano (fragment), K. Anh.H 12,01
ヴォルフガング・アマデウス・モーツァルト作
Mozart’s Fugue in G for piano (fragment), K. Anh.H 12,01, survives only as a brief sketch of a contrapuntal piece notated in keyboard score. The surviving leaf is associated with Vienna and dated to spring 1782 in the current Köchel catalogue, when Mozart was 26 and newly establishing himself as a freelance composer and keyboard virtuoso in the city.[1][2]
What Is Known
Only a short piano fugue fragment in G major is extant, transmitted as a standalone item rather than a complete work. The Neue Mozart-Ausgabe includes it among the keyboard pieces as a “fragment of a fugue in G,” with the tempo indication Allegro.[3]
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In the Köchel-Verzeichnis Online entry it is listed as “Fuge in G (Klaviernotation)” and identified with older catalogue designations (including Anh. 41 and K. 375g), while the ninth-edition numbering gives K. Anh.H 12,01.[2][3] The NMA’s English “Keyboard Music” overview further reports the source as an autograph in the Fitzwilliam Museum, Cambridge.[4]
Musical Content
What survives suggests the beginning of a compact, energetic fugue: a single subject is announced and then taken up in successive entries, with the texture thickening as the voices accumulate. Even in fragmentary form, the writing points to Mozart’s practical, keyboard-centered approach to learned counterpoint—less an austere academic exercise than a fluent, performable Allegro in which imitation and harmonic motion are tightly interlocked.[3]
Placed in Vienna in 1782, the sketch sits plausibly alongside Mozart’s broader cultivation of contrapuntal craft in this period, when he was absorbing older styles while simultaneously refining the brilliant pianistic idiom heard in his early Viennese works.[1]
[1] Wikipedia: Köchel catalogue table listing Anh.H 12,01 (Fugue in G for Piano, fragment) with Vienna and spring 1782.
[2] Köchel-Verzeichnis Online (Mozarteum): search results listing “Anh. H12,01. Fuge in G (Klaviernotation)” with cross-references (375g, Anh. 41, 1776b).
[3] Digital Mozart Edition / Neue Mozart-Ausgabe (NMA) table of contents: Piano Pieces Vol. 2 entry “Fragment of a fugue in G K. Anh. H 12/01 … Allegro” (pp. 173–174).
[4] Digital Mozart Edition PDF: NMA Keyboard Music overview noting the autograph location for the Fragment of a Fugue in G (Fitzwilliam Museum, Cambridge) and NMA pages 173–174.