Symphony No. 54 in B♭ major (doubtful), K. 74g
de Wolfgang Amadeus Mozart
The Symphony in B♭ major (K. 74g) is a short four-movement work transmitted without an autograph and classed today as a piece of doubtful authenticity, sometimes numbered “Symphony No. 54.” It is usually placed around 1771 in Salzburg—when Mozart was about fifteen—yet the surviving source situation leaves its authorship uncertain.
Background and Context
The Symphony in B♭ major, K. 74g, is best approached as a Salzburg-era juvenile symphony that may stem from Wolfgang Amadeus Mozart (1756–1791), but whose authorship remains unresolved. Modern catalogues and editions flag it explicitly as doubtful, while still treating the music as extant and performable.[1][2]
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Mozart’s Salzburg in the early 1770s was a practical training ground: orchestral pieces were written to be playable by local forces, quickly grasped, and effective in a courtly context. K. 74g fits that profile in scale and design, even as its documentary footing is thinner than for securely attributed symphonies from the same period.[1][3]
Musical Character
K. 74g is cast in the familiar early-Classical symphonic pattern of four movements, with dance and tempo contrasts rather than large-scale dramatic development:
- I. Allegro (3/4)
- II. Andante (2/4)
- III. Menuet (3/4)
- IV. Allegro molto (2/4)[2]
The scoring is similarly typical for an early Salzburg symphony: two winds (given as two oboes or two flutes), two horns, and strings; period performances would often have reinforced the bass with bassoons and a keyboard continuo when available.[2]
Whatever one decides about the name on the title page, the music reads as a compact “utility” symphony: bright B♭-major sonorities, brisk outer movements, and a central Andante plus Menuet that provide contrast without exceeding the work’s modest dimensions (around a quarter of an hour in performance).[2]
Place in the Catalog
K. 74g sits among the cluster of early symphonies whose attribution has been debated for decades and is still treated with caution in modern reference lists and editions.[1][4] For listeners tracing Mozart’s teenage development, it is most useful as a glimpse of the stylistic world he inhabited in Salzburg around 1771—even if the final word on authorship remains open.[3]
[1] Mozarteum Köchel-Verzeichnis entry for KV 74g (status, dating range, authenticity note)
[2] Wikipedia: “Symphony, K. 74g (Mozart)” (movements, scoring, duration, basic attribution history)
[3] Digital Mozart Edition (Mozarteum): New Mozart Edition, Work Group 29 “Works of Dubious Authenticity” (editorial discussion of doubtful works incl. KV 74g)
[4] Wikipedia: “Mozart symphonies of spurious or doubtful authenticity” (context list including K. 74g / Anh.C 11.03)