Mozart: Serenade in B-flat major for Twelve Winds and Double Bass, K. 361 (“Gran Partita”)

Wolfgang Amadeus Mozart’s Serenade in B-flat major (No. 10) is uniquely scored for a large ensemble of two oboes, two clarinets in B-flat, two basset horns (alto clarinets) in F, four horns (two in F and two in E-flat), two bassoons, and double bass. Among his numerous divertimenti, notturni, partitas, and other compositions designed for musical entertainment, this work distinguishes itself as a truly accomplished and refined masterpiece. It’s nickname “Gran Partita” is found on the autograph score of the work, but written by an unknown hand.

Introduction

Starting in the 1750s, the Emperor and Austrian nobles kept wind bands which were usually called “harmonies”—typically pairs of oboes, horns, bassoons, and, later, clarinets—to play serenades at banquets and outdoor events. Mozart composed pieces for small and medium “Harmonie-Musiken” (“harmony musics”), mainly during his Salzburg years (1773–80). After settling in Vienna (1782), however, he continued, besides the Gran Partita, with only four such works: the sextet K. 375, octet K. 388, and Adagio quintet K. 411.Yet the Gran Partita stands out—not just for its seven-movement structure and maximum wind instrumentation plus string bass, but also because it surpasses the norms of its time in every other respect. Each single movement is distinctive and demonstrates remarkable musical refinement and depth.

History

Both the exact date and original destination of the Gran Partita—Mozart’s lengthiest instrumental composition—remain unknown. Although the work does not appear in the composer’s thematic catalogue (started in February 1784), it could not have been composed very much earlier. The autograph score (today in the Library of Congress, Washington, D.C.) and its paper type match that of other works written in 1783. Moreover, a private Viennese diary notes, on March 23, 1784, a likely second, abbreviated performance of only four movements, organized by Anton Stadler, addressee of all Mozart’s major clarinet pieces: “I heard some music today with wind instruments, by Mr. Mozart… It consisted of thirteen instruments... and a master sat at each instrument—oh, it had an effect—magnificent and great, excellent and noble!"

Mozart: Serenade in B-flat major for Twelve Winds and Double Bass, K. 361 ("Gran Partita")

Analysis

The seven-movement structure of the work stimulated Mozart to come up with a wide-ranging, varied use of the diversified wind ensemble, particularly in the unusual overall harmonic design. Besides the symmetric positioning of the home key of B-flat major in movements one, two, four, six, and seven, and its subdominant counterpart of E-flat major in movements three and five, the minuet-trios introduce G minor, B-flat minor, and F major.

1. Largo. Molto allegro (B-flat major): The quasi-symphonic slow introduction, with solo passages for clarinet and oboe, leads into an Allegro in sonata form. The first theme of its exposition is presented by the clarinets, and returns in a slightly modified version as a second theme in the basset horns and oboes. Both versions of the theme continue to be explored in the development, and return in the recapitulation.

2. Menuetto (B-flat major) with Trio I (E-flat major) and Trio II (G minor): The vigorous minuet, in gallant courtly manner, uses all instruments extensively and plays with dynamic contrasts, whereas the first trio employs a quartet of clarinets and basset horns and the second trio leaves out the clarinets and focuses on the solo oboe, basset horn, and bassoon.

3. Adagio (E-flat major): Opening with a unison triadic gesture of horns, bassoons, and bass, this slow and melodious movement is a particular gem among Mozart’s compositions. Its sensuous warmth is carried throughout and supported by a soft, syncopated pulse in the middle-range instruments while solo lines alternate between oboe, clarinet, and basset horn. A particularly unique effect occurs at the very beginning of the piece with the delayed solo entry of the first oboe and its long-held high note that finally dissolves and leads downward into a beautiful arabesque melodic phrase.

4. Menuetto. Allegretto (B-flat major) with Trio I (B-flat minor) and Trio II (F major): Another minuet in the home key—and of a more popular nature—alternates again with two trios. The first is a stately piece in B-flat minor, and the second of a more jovial character.

5. Romance. Adagio (E-flat major) with Allegretto (C minor): Labeled “Romance” (a designation that reoccurs only once, in the slow movement of the D-minor Piano Concerto, K. 466, of early 1785), this slow movement returns to the key, and emulates the expressive mood, of the previous Adagio, yet also features an Allegretto middle section, in C minor, with a steady pulse in the patterned motion of the bassoons.

6. Tema con variazioni. Andante (B-flat major; fourth variation in B-flat minor): The theme of the penultimate movement is an arrangement of the Andantino (with 6 variations) of the Flute Quartet (No. 3) in C major, K. 285b, from around 1781. Here, it is introduced by the solo clarinet and followed by six variations completely different from those in the flute quartet. They introduce diverse rhythmic patterns, each of the variations featuring different solo instruments in various combinations: the first, oboe and bassoon; the second, basset horn, and bassoon; the third, clarinet and bassoon; the fourth, clarinets, basset horns, and bassoons in pairs; the fifth (marked “Adagio”), oboe, two basset horns, and two clarinets; the sixth and last, the whole ensemble in the form of a triple-meter dance.

7. Finale. Molto allegro (B-flat major): The last movement is in rondo form—alternating between a variety of ideas—and initially employs tutti (all instruments playing) passages, with oboes and clarinets playing the same material. The episodes between the recurring Rondo theme feature a lively interplay between all the instruments.

Critical Thoughts

It remains regrettable that nothing is known about the commission or original performance event that could shed light on the Gran Partita's outsized scoring and large-scale format. Nevertheless, Mozart's foundational concepts and creative ideas served as the basis for the entire composition. And his choice to include a string double bass in the wind ensemble shows his attention to sound balance and the importance of a strong, low-range bass foundation. Furthermore, there is no question that the composer’s experience with this work had a profound impact on his subsequent treatment of winds and the development of his instrumentation technique, beginning with the orchestral scores of the piano concertos from 1784 (K. 449, 450, 451, 453, 456, and 459).

Legacy

The unusual requirement of 12 wind instruments prevented the wider dissemination of the work. Therefore, its first publication was an 1801 edition by Breitkopf (Leipzig) in an octet arrangement for two oboes, two clarinets, two horns, and two bassoons; similar arrangements followed. The first edition in the original scoring was published 1803 in Vienna.

Miloš Forman's film Amadeus (1984) popularized the Adagio of the Gran Partita. There it was given the task of underscoring the Italian composer Antonio Salieri's first encounter with the music of his rival.

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Article by Christoph Wolff