K. 491

Piano Concerto No. 24 in C minor

di Wolfgang Amadeus Mozart

Mozart's Anton Walter fortepiano — the instrument Mozart purchased around 1782 and brought with him to his Viennese concerts.
Mozart's Anton Walter fortepiano — the instrument Mozart purchased around 1782 and brought with him to his Viennese concerts.

Background and Composition Context

Wolfgang Amadeus Mozart composed his Piano Concerto No. 24 in C minor, K. 491, during the winter of 1785–86, completing it on March 24, 1786[1]. This was a vibrant period in Vienna’s musical life – by the mid-1780s the city was bustling with music and often regarded as a “golden age,” with composers like Mozart, Joseph Haydn, and Christoph Gluck at the forefront[2]. Mozart, having left his Salzburg court position in 1781 to pursue a freelance career in Vienna, relied on public performances of his own works for income[3]. He organized subscription concerts where he was the featured soloist, a risky but innovative way to succeed without a steady patron[3]. The C minor concerto was written as part of Mozart’s fourth concert season in Vienna[4], in a series of concertos he produced in quick succession (following No. 22 in E♭, K.482 and No. 23 in A, K.488)[4]. In fact, 1786 saw Mozart write three piano concertos (Nos. 23, 24, and 25) – the last group he composed for his regular subscription concerts[5].

As an Amazon Associate we earn from qualifying purchases.

Mozart finished this concerto just weeks before the premiere of his opera The Marriage of Figaro (K.492)[6]. Although the opera is a sparkling Italian comedy mostly in major keys, the concerto is one of Mozart’s rare works in a minor key, reflecting a darker, more serious tone[7]. Some scholars (such as pianist-musicologist Robert D. Levin) have suggested that while Mozart was working on a comic opera, this concerto and its immediate predecessors provided an outlet for more “dark, tragic and passionate” creativity[7][8].

Mozart likely wrote the C minor concerto intending to perform it himself at a benefit or “academy” concert in early April 1786, a time when new works were expected by his audience[9]. The premiere took place in Vienna with Mozart as soloist directing from the keyboard, probably on April 7, 1786, at the Burgtheater[10]. (Contemporary reports differ on the exact date, citing either April 3 or 7[11].) The Burgtheater – the Imperial Court Theatre, designated by Emperor Joseph II as the National Theatre – was a grand venue adjacent to the Habsburg palace and a center of Viennese cultural life[12]. There are no detailed reviews of the concerto’s debut, but the work’s dramatic C minor character and complexity must have stood out in contrast to the lighter fare usually heard; musicologist Alfred Einstein imagines the Viennese audience’s astonishment at its “dark, tragic and passionate” expression[8]. Notably, Mozart did not fully write out the solo piano part in the autograph score – many scale and arpeggio passages are only sketched – implying that he improvised virtuosic details during the performance[13]. The concerto was not published until 1800, when Mozart’s widow Constanze sold the manuscript to publisher Johann André[14]. The autograph eventually made its way to London’s Royal College of Music in 1894, where it resides today[14].

Instrumentation and Orchestration


The Piano Concerto No. 24 is scored for a larger orchestra than any of Mozart’s other piano concertos[15][16]. Along with the solo fortepiano (the early piano of Mozart’s day), the full ensemble consists of strings and an unusually rich complement of winds and brass: one flute, two oboes, two clarinets, two bassoons, two horns, two trumpets, plus timpani[16]. It is in fact the only Mozart piano concerto that includes both oboes and clarinets in the score[16]. This expanded wind section gives the work a distinctive sonority. Mozart was impressed by the quality of Vienna’s wind players and wrote their parts as independent, expressive voices rather than mere background accompaniment[17]. The winds often carry thematic material on their own, at times “push[ing] the strings completely to the side” in all three movements, as scholar Robert Levin notes[16]. This conversational use of winds – sometimes playing in dialogue with the piano, sometimes as a warm, harmonically rich choir – was innovative and influential. The inclusion of clarinets, then a relatively new instrument in orchestras, adds a special color Mozart clearly loved[18]. Indeed, Mozart likely knew the individual wind players well and tailored the writing to their strengths, capitalizing on their unique tone colors and skills[19]. The overall effect is a concerto with almost symphonic breadth in its orchestration, foreshadowing the dramatic piano concertos of the next century.

As an Amazon Associate we earn from qualifying purchases.

Víkingur Ólafsson • Paavo Järvi • Royal Concertgebouw Orchestra:

Form and Musical Character

Mozart’s Piano Concerto No. 24 follows the three-movement Classical concerto design, but with many imaginative touches in form and style. The movements are:

  • Allegro (1st movement, C minor, 3/4) – The opening movement is broad and emotionally intense, the longest first movement Mozart had composed for a concerto up to that time[20]. It unfolds in sonata form with a double exposition: first the orchestra introduces the principal themes, then the piano enters with its own take on the material. Notably, the very first theme announced by the orchestra is strikingly angular and chromatic – it uses all 12 notes of the chromatic scale, a device Mozart reserved for his most serious and “passionate” moods[21]. After the dark, turbulent orchestral introduction, the soloist surprises by beginning with a new theme of its own rather than the earlier orchestral melody[22]. Throughout the movement, Mozart defies “textbook” rules by introducing several new themes in the piano part and in the woodwinds, making the thematic development unusually rich[22]. The interaction between piano and orchestra is dramatic and almost operatic in its contrasts – an effect perhaps informed by Mozart’s experience in writing theatrical scenes[23][24]. The development section is complex and modulatory, heightening the sense of struggle between the soloist and the orchestra. In the recapitulation, Mozart artfully rearranges the order of themes and streamlines some material (“telescoping” it) to maintain cohesion[25]. Unlike some earlier concertos, Mozart wrote no cadenza for this movement (performers later supplied their own), and in the coda the piano joins the orchestra to drive to the conclusion[26]. The movement ends resolutely in C minor, capping an orchestral tutti that underlines the work’s serious tone.
  • Larghetto (2nd movement, E♭ major, 4/4 “cut time”) – The slow middle movement shifts to the relative major key and offers a peaceful respite from the C minor drama[27][28]. Mozart presents a simple, serenely lyrical theme at the outset – a melody of disarming simplicity that contrasts with the complexity of the first movement[28]. This Larghetto has a gently ornamented song-like character, often described as nocturnal or poetic in mood[29]. Formally it follows a loose ABA structure (a rondo-like or aria-like form)[30]. The piano’s lines float gracefully above muted strings, and the expanded woodwinds add glowing colors to the texture, sometimes playing alone with the soloist in chamber-music intimacy[31]. Part of the movement’s beauty lies in these subtle dialogues between piano and winds – one can hear anticipations of Mozart’s later clarinet writing in their warmth and expressivity. Twice, the placid E♭ major atmosphere is momentarily darkened by episodes in minor keys (one passing into C minor, another into A♭ major’s somber coloring)[28]. These minor-key excursions provide emotional depth before the gentle main theme returns. Commentators often simply marvel at this movement’s “ethereal beauty”[28] – it is an instance of Mozart’s melodic gift at its purest, offering calm and solace between the stormier outer movements.

As an Amazon Associate we earn from qualifying purchases.

  • Allegretto (3rd movement, C minor, Theme and Variations) – Instead of a conventional lively rondo finale, Mozart concludes with a set of eight variations on a C-minor theme[32]. The theme, stated by the orchestra at the start, is a stark, square-edged dance-like melody with a somewhat austere character. Each variation explores a different expressive nuance or figuration while maintaining the theme’s basic outline. In the first variation, the piano enters and immediately embellishes the theme, with the soloist weaving rapid figurations around the orchestral accompaniment[32]. Subsequent variations feature a play of light and shade: for example, one variation slips into a warmer A♭ major, offering a brief “happier” turn led by the woodwinds[33], and a later variation similarly shifts to C major, momentarily dispelling the minor-mode tension with a sunnier sound (again highlighted by wind solos)[34]. Between these, other variations return to the stormy C minor mood – one showcases the piano alone in virtuosic passagework rife with chromaticism, recalling the first movement’s intensity[35]. The texture and counterpoint become increasingly intricate, at times featuring four-part imitative writing that adds a learned quality to the drama[36]. As the set nears its end, Mozart introduces a short, suspenseful variation (an abbreviated penultimate variation) that leads into a brief cadenza or solo flourish[37]. The final (8th) variation then begins with the piano before the orchestra joins in for a culminating statement[38]. Uniquely, Mozart shifts the meter to 6/8 in this final variation and coda[39], giving a lilting, siciliana-like rhythm that provides a sense of release and conclusion – a nod to the more typical rondo finales (often in 6/8) while still remaining in variation form. The concerto closes quietly and poignantly in C minor, without the usual triumphant ending, reinforcing the work’s overall pensive and “crepuscular” mood[40].

Reception and Legacy

Mozart’s C minor concerto has long been regarded as one of his supreme achievements. In his own era, minor-key works were relatively uncommon, and this concerto’s depth made a strong impression on those who heard or studied it. Though we lack documentation of the Viennese audience’s immediate reaction in 1786, the concerto’s reputation quickly took hold among fellow composers. Ludwig van Beethoven admired the piece profoundly – after hearing a rehearsal of it, he reportedly confessed, “We shall never be able to do anything like that!”[41]. Beethoven’s later Piano Concerto No. 3 in C minor shows the influence of Mozart’s example in its key, drama, and broad orchestration[41]. Johannes Brahms also revered this concerto; he encouraged Clara Schumann to perform it, and even wrote his own cadenza for its first movement[42]. Brahms called the work a “masterpiece of art, full of inspired ideas,” counting it among his most cherished scores[43]. Such esteem has been echoed by generations of musicians and scholars. Musicologist Arthur Hutchings, for instance, declared Piano Concerto No. 24 to be Mozart’s greatest concerto, praising how all its parts form “one stupendous whole”[44]. Similarly, scholar Alexander Hyatt King described it as “not only the most sublime of the whole series [of Mozart’s concertos] but also one of the greatest pianoforte concertos ever composed”[45].

As an Amazon Associate we earn from qualifying purchases.

Throughout the 19th and 20th centuries, the C minor concerto has remained a staple of the repertoire, admired for its synthesis of Classical form with an emotional intensity that presages the Romantic era. Its unique features – the dramatic minor tonality, the rich woodwind writing, the innovative finale in variations – set it apart from Mozart’s other works and continue to fascinate performers and audiences. Early in the 20th century, Cuthbert Girdlestone and Alfred Einstein both singled out this concerto for its profound, tragic character, underlining how unusual such a work must have seemed in Mozart’s time[46]. Today the piece is frequently programmed in concerts and recordings, often highlighted for its “advanced” compositional techniques and expressive depth[15][45]. Pianists approach it not only as a vehicle for graceful virtuosity but as a work of symphonic breadth and operatic dialogue between soloist and orchestra. In sum, Mozart’s Piano Concerto No. 24 in C minor stands as a pinnacle of his Viennese years – a work born of its specific moment (with the composer at the height of his powers in 1786) yet one whose legacy has resonated well beyond its era, affirming its status as one of the greatest concertos in the classical canon.

Sources:

Mozart’s autograph score and correspondence as summarized in [14][16]; program notes from the Fort Collins Symphony[47][18] and LA Philharmonic[48][49]; scholarly assessments compiled in Wikipedia[15][50]; and historical context from Evanston Symphony Orchestra archives[5][2].

[1][4][6][7][8][15][41][42][43][44][45][46][50] Piano Concerto No. 24 (Mozart) - Wikipedia

https://en.wikipedia.org/wiki/Piano_Concerto_No._24_(Mozart)

[2][5] Mozart and the Golden Age of Music in Vienna | Evanston Symphony Orchestra

https://evanstonsymphony.org/content/mozart-and-golden-age-music-vienna

[3][10][12][18][21][22][25][26][28][31][32][33][34][35][37][38][39][40][47] Mozart, Piano Concerto No. 24 in C Minor Program Notes

https://fcsymphony.org/mozart-piano-concerto-24/

[9][19][29] Mozart's Piano Concerto No. 24 | The Glasshouse

https://theglasshouseicm.org/royal-northern-sinfonia/programmes/mozarts-piano-concerto-no-24/

[11]7 April 1786

https://www.mozartdocuments.org/documents/7-april-1786/

[13][14][16][20] mobclassic.com

https://mobclassic.com/kr/work/work_review.jsp?worksec=a17zaavx

[17][23][24][27][30][36][48][49] Piano Concerto No. 24 in C minor, K. 491, Wolfgang Amadeus Mozart

https://www.laphil.com/musicdb/pieces/2763/piano-concerto-no-24-in-c-minor-k-491