Symphony No. 21 in A major (K. 134)
ヴォルフガング・アマデウス・モーツァルト作
Mozart’s Symphony No. 21 in A major (K. 134) belongs to a remarkable Salzburg cluster of 1772, written when the composer was just sixteen. Modest in scale but deft in craft, it shows an early master learning to make orchestral brilliance out of the lean materials available to a court ensemble—and doing so with unusual rhythmic buoyancy and a keen ear for wind color.[1]
Background and Context
In 1772 Wolfgang Amadeus Mozart (1756–1791) was back in Salzburg after his second Italian journey and on the threshold of a third. The years around these travels were not merely a prelude to maturity; they were a laboratory in which Mozart tested styles he had encountered in Italy and southern Germany against the realities of Salzburg court music-making. Several symphonies from this period—often concise, practical works—were written quickly and likely intended for flexible use (court concerts, special occasions, or as repertory pieces for the Archbishop’s musicians).
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K. 134 stands near the end of a short Salzburg sequence (K. 130–134) that scholars and discographers often treat as a coherent “mini-season” of symphonic writing by the teenage Mozart.[2] What makes Symphony No. 21 worth attention today is not sheer scale or innovation, but the way Mozart turns a relatively lightweight court-symphony frame into something alert, polished, and consistently characterful—especially through rhythm (dance and march impulses) and the bright, open resonance of A major.
Composition and Premiere
The symphony is generally dated to Salzburg in 1772; the month is commonly given as August.[1] (Some commentary traditions connected with the autograph tradition have suggested a May dating in Salzburg, which underlines how closely packed Mozart’s 1772 symphonic work was.[2]) In either case, the essential biographical point stands: K. 134 is a Salzburg work by a sixteen-year-old composer who already knew the “public” symphonic language of his day and could shape it fluently.
Documentation for a specific first performance is lacking; as with many early Mozart symphonies, it is safest to speak of a work written for the Salzburg orchestral environment rather than a single documented premiere event.[1] Its later life, however, has been steady: it appears regularly in complete-symphony cycles and is often described by performers and labels as a notably sunny example among the 1772 group.[3]
Instrumentation
Sources agree that the work is scored in a streamlined “Salzburg-symphony” manner, with a bright wind-and-horn halo above the strings.
- Winds: 2 flutes[1]
- Brass: 2 horns (in A)[4]
- Strings: violins I & II, viola, bass (cello/double bass; bass line often reinforced in practice)[1]
Notably, this is one of Mozart’s early symphonies in which the wind scoring is sometimes discussed in terms of performance practice and source transmission (for instance, whether oboes are present in a given performing tradition). Modern reference summaries most often present the scoring as two flutes, two horns, and strings.[1] Whatever the exact practical solution in a given performance, the ear hears a deliberately light, bright top—well suited to A major and to Mozart’s preference here for crisp articulation and “open-air” sonorities.
Form and Musical Character
K. 134 follows the four-movement plan that, by the early 1770s, had become increasingly standard for symphonies aimed at courtly concert use: a fast opening movement, a contrasting slow movement, a minuet with trio, and a fast finale.[1]
- I. Allegro (A major, 3/4)[1]
- II. Andante (D major, 2/4)[1]
- III. Menuetto – Trio (A major, 3/4)[1]
- IV. Allegro (A major, 2/2)[1]
I. Allegro
The first movement’s most immediate distinction is meter: a symphonic Allegro in 3/4 is not unheard of, but it nudges the music toward a dance-like lift rather than the square, four-beat “public ceremony” one expects from many early symphonic openings. Mozart uses that triple-time energy to keep phrases airborne—less a grand rhetorical “announcement” than a confident, well-drilled ensemble conversation. The writing tends to favor clear thematic blocks, nimble transitions, and bright cadential punctuation—skills Mozart would later deepen and complicate, but already commands here.
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II. Andante
In D major (the subdominant), the Andante offers the classic early-symphony contrast: smaller gestures, gentler dynamics, and a more intimate rhetorical stance.[1] What rewards repeated listening is the movement’s economy: Mozart does not “spin out” long melodies so much as balance short motives and lightly varied returns. The sound world can feel almost serenade-like—an important reminder that, in Salzburg, the borders between genres (symphony, serenade, divertimento) were porous in function as well as style.
III. Menuetto – Trio
The minuet anchors the symphony in social dance character, but Mozart avoids heaviness. The minuet proper tends toward firm, symmetrical phrasing, while the trio typically relaxes the texture and tilts the harmony toward a more pastoral, conversational register.[1] In a well-balanced performance, this third movement is the work’s “human scale” center: neither ceremonial nor virtuosic, but graceful and direct.
IV. Allegro
The finale, in cut time (2/2), supplies the cleanest burst of kinetic energy.[1] Here Mozart’s gift for momentum is already evident: short ideas are set into motion, repeated with purpose, and propelled toward cadences that arrive with satisfying inevitability. This is precisely where Symphony No. 21 most deserves its place in the repertoire: it is an early example of Mozart’s ability to sound effortless—to make form feel like play, even when the materials are simple.
Reception and Legacy
Symphony No. 21 is not among Mozart’s “name” symphonies, yet it has enjoyed a continuous practical legacy: it is included in complete-symphony recording projects and often singled out as an especially bright, good-humored work from the Salzburg year 1772.[3] Its relative modesty is, in fact, part of its appeal. Listeners who know the late symphonies (K. 543, K. 550, K. 551) can hear, in K. 134, an earlier Mozart already thinking orchestrally—balancing brilliance with clarity, and letting rhythm do much of the expressive work.
In broader perspective, K. 134 helps correct a common misconception about Mozart’s youth: that early works are merely “promising.” Symphony No. 21 is more than a student exercise. It is professional Salzburg music—crafted to succeed in real performance conditions—and it reveals a teenager who could already write with the self-assurance of a seasoned Kapellmeister-in-waiting.[1]
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[1] Wikipedia: overview, dating, scoring summary, and movement list for Mozart’s Symphony No. 21, K. 134.
[2] Christer Malmberg (incl. Zaslaw-related discography notes): contextual grouping of Mozart’s early Salzburg symphonies (K. 130–134) and dating tradition discussed.
[3] Dacapo Records program/liner note page for Mozart symphonies (Vol. 6): brief characterization and Salzburg/August 1772 dating reference for K. 134 in recording context.
[4] German Wikipedia: discussion of K. 134 including horns in A and common German-language reference details on the work’s scoring tradition.