This is a list of musical compositions by Antonio Salieri (August 18, 1750 – May 7, 1825), organized by genre. Together, the opus consists of approximately 652 works.

Cassation is a minor musical genre related to the serenade and divertimento. In the mid- to late 18th century, cassations commonly comprised loosely assembled sets of short movements intended for outdoor performance by orchestral or chamber ensembles. The genre was popular in southern German-speaking lands. Other synonymous titles used by German-speaking composers and cataloguers included Cassatio, Cassatione and Kassation. An equivalent Italian term was Cassazione. The genre is occasionally alluded to in the titles of some twentieth-century compositions.

This is a list of musical compositions by Antonio Salieri (August 18, 1750 – May 7, 1825), organized by genre. Together, the opus consists of approximately 652 works.

Wolfgang Amadeus Mozart (1756–1791) was a prolific and influential composer of the Classical period who wrote in many genres. Perhaps his best-admired works can be found within the categories of operas, piano concertos, piano sonatas, symphonies, string quartets, and string quintets. Mozart also wrote many violin sonatas; other forms of chamber music; violin concertos, and other concertos for one or more solo instruments; masses, and other religious music; organ music; masonic music; and numerous dances, marches, divertimenti, serenades, and other forms of light entertainment.

Joseph Haydn was a prolific composer of the classical period. He is regarded as the "father of the symphony" and the "father of the string quartet" for his more than 100 symphonies and almost 70 string quartets. Haydn also produced numerous operas, masses, concertos, piano sonatas and other compositions. Haydn's works were catalogued by Anthony van Hoboken in his Hoboken catalogue. Unlike most other catalogues which sort works chronologically, the Hoboken catalogue sorts by musical genre.

Joseph Haydn was a prolific composer of the classical period. He is regarded as the "father of the symphony" and the "father of the string quartet" for his more than 100 symphonies and almost 70 string quartets. Haydn also produced numerous operas, masses, concertos, piano sonatas and other compositions. Haydn's works were catalogued by Anthony van Hoboken in his Hoboken catalogue. Unlike most other catalogues which sort works chronologically, the Hoboken catalogue sorts by musical genre.

Joseph Haydn was a prolific composer of the classical period. He is regarded as the "father of the symphony" and the "father of the string quartet" for his more than 100 symphonies and almost 70 string quartets. Haydn also produced numerous operas, masses, concertos, piano sonatas and other compositions. Haydn's works were catalogued by Anthony van Hoboken in his Hoboken catalogue. Unlike most other catalogues which sort works chronologically, the Hoboken catalogue sorts by musical genre.

The Classical period was an era of classical music between roughly 1750 and 1820. The classical period falls between the Baroque and Romantic periods. It is mainly homophonic, using a clear melody line over a subordinate chordal accompaniment, but counterpoint was by no means forgotten, especially in liturgical vocal music and, later in the period, secular instrumental music. It also makes use of style galant which emphasizes light elegance in place of the Baroque's dignified seriousness and impressive grandeur. Variety and contrast within a piece became more pronounced than before, and the orchestra increased in size, range, and power. The harpsichord declined as the main keyboard instrument and was superseded by the piano (or fortepiano). Unlike the harpsichord, which plucks strings with quills, pianos strike the strings with leather-covered hammers when the keys are pressed, which enables the performer to play louder or softer (hence the original name "fortepiano", literally "loud soft") and play with more expression; in contrast, the force with which a performer plays the harpsichord keys does not change the sound. Instrumental music was considered important by Classical period composers. The main kinds of instrumental music were the sonata, trio, string quartet, quintet, symphony (performed by an orchestra), and the solo concerto, which featured a virtuoso solo performer playing a solo work for violin, piano, flute, or another instrument, accompanied by an orchestra. Vocal music, such as songs for a singer and piano (notably the work of Schubert), choral works, and opera (a staged dramatic work for singers and orchestra), was also important during this period. The period is sometimes referred to as the era of Viennese Classicism (German: Wiener Klassik), since Christoph Willibald Gluck, Georg Christoph Wagenseil, Georg Matthias Monn, Joseph Haydn, Johann Georg Albrechtsberger, Carl Ditters von Dittersdorf, Johann Baptist Wanhal, Antonio Salieri, Wolfgang Amadeus Mozart, Ludwig van Beethoven, and Franz Schubert all worked in Vienna.

The list of compositions of Ludwig van Beethoven consists of 722 works written over forty-five years, from his earliest work in 1782 (variations for piano on a march by Ernst Christoph Dressler) when he was only eleven years old and still in Bonn, until his last work just before his death in Vienna in 1827. Beethoven composed works in all the main genres of classical music, including symphonies, concertos, string quartets, piano sonatas and opera. His compositions range from solo works to those requiring a large orchestra and chorus. Beethoven straddled both the Classical and Romantic periods, working in genres associated with Wolfgang Amadeus Mozart and his teacher Joseph Haydn, such as the piano concerto, string quartet and symphony, while on the other hand providing the groundwork for other Romantic composers, such as Hector Berlioz and Franz Liszt, with programmatic works such as his Pastoral Symphony and Piano Sonata "Les Adieux". Beethoven's work is typically divided into three periods: the "Early" period, where he composed in the "Viennese" style; the "Middle" or "Heroic" period, where his work is characterised by struggle and heroism, such as in the Eroica Symphony, the Fifth Symphony, the Appassionata Sonata and in his sole opera Fidelio; and the "Late" period, marked by intense personal expression and an emotional and intellectual profundity. Although his output greatly diminished in his later years, this period saw the composition of masterpieces such as the late string quartets, the final five piano sonatas, the Diabelli Variations, the Missa Solemnis and the Ninth Symphony. Beethoven's works are classified by both genre and various numbering systems. The best-known numbering system for Beethoven's works is that by opus number, assigned by Beethoven's publishers during his lifetime. Only 172 of Beethoven's works have opus numbers, divided among 138 opus numbers. Many works that were unpublished or published without opus numbers have been assigned one of "WoO" (Werke ohne Opuszahl—works without opus number), Hess or Biamonti numbers. For example, the short piano piece "Für Elise" is more fully known as the "Bagatelle in A minor, WoO 59 ('Für Elise')". Some works are also commonly referred to by their nicknames, such as the Kreutzer Violin Sonata, or the Archduke Piano Trio. Works are also often identified by their number within their genre. For example, the 14th string quartet, published as Opus 131, may be referenced either as "String Quartet No. 14" or "the Opus 131 String Quartet". The listings below include all of these relevant identifiers. While other catalogues of Beethoven's works exist, the numbers here represent the most commonly used.

The Serenade No. 10 for winds in B♭ major, K. 361/370a, is a serenade by Wolfgang Amadeus Mozart scored for thirteen instruments: twelve winds and double bass. The piece was composed in 1781 and is often known by the subtitle Gran Partita, though in the autograph manuscript it is misspelled ("Gran Partitta") and not in Mozart's hand. It consists of seven movements.

Franz Schubert (31 January 1797 – 19 November 1828) was an extremely prolific Austrian composer. He composed some 1500 works (or, when collections, cycles and variants are grouped, some thousand compositions). The largest group are the lieder for piano and solo voice (over six hundred), and nearly as many piano pieces. Schubert also composed some 150 part songs, some 40 liturgical compositions (including several masses) and around 20 stage works like operas and incidental music. His orchestral output includes thirteen symphonies (seven completed) and several overtures. Schubert's chamber music includes over 20 string quartets, and several quintets, trios and duos. This article constitutes a complete list of Schubert's known works organized by their genre. The complete output is divided in eight series, and in principle follows the order established by the Neue Schubert-Ausgabe printed edition. The works found in each series are ordered ascendingly according to Deutsch numbers, the information of which attempts to reflect the most current information regarding Schubert's catalogue. The list below includes the following information: D – the catalogue number assigned by Otto Erich Deutsch or NSA authorities Genre – the musical genre to which the piece belongs. This has been omitted when the genre is self-explanatory or unnecessary, i.e. piano dances Title – the title of the work Incipit – the first line(s) of text, as pertaining to vocal works Scoring – the instrumentation and/or vocal forces required for the work Informal Title – any additional names by which the work is known, when applicable Former Deutsch Number – information on Deutsch numbers that have been reassigned, when applicable Date – the known or assumed date of composition, when available; or date of publication Opus Number – the opus number of the original publication of the work, when applicable Setting – the order of setting as it pertains to vocal works that have numerous settings of the same text Version – the number of version as it pertains to works or vocal settings that have more than one existing version Notes – any additional information concerning the work: alternate titles, completeness, relation to other works, authorship, etc.

Franz Schubert (31 January 1797 – 19 November 1828) was an extremely prolific Austrian composer. He composed some 1500 works (or, when collections, cycles and variants are grouped, some thousand compositions). The largest group are the lieder for piano and solo voice (over six hundred), and nearly as many piano pieces. Schubert also composed some 150 part songs, some 40 liturgical compositions (including several masses) and around 20 stage works like operas and incidental music. His orchestral output includes thirteen symphonies (seven completed) and several overtures. Schubert's chamber music includes over 20 string quartets, and several quintets, trios and duos. This article constitutes a complete list of Schubert's known works organized by their genre. The complete output is divided in eight series, and in principle follows the order established by the Neue Schubert-Ausgabe printed edition. The works found in each series are ordered ascendingly according to Deutsch numbers, the information of which attempts to reflect the most current information regarding Schubert's catalogue. The list below includes the following information: D – the catalogue number assigned by Otto Erich Deutsch or NSA authorities Genre – the musical genre to which the piece belongs. This has been omitted when the genre is self-explanatory or unnecessary, i.e. piano dances Title – the title of the work Incipit – the first line(s) of text, as pertaining to vocal works Scoring – the instrumentation and/or vocal forces required for the work Informal Title – any additional names by which the work is known, when applicable Former Deutsch Number – information on Deutsch numbers that have been reassigned, when applicable Date – the known or assumed date of composition, when available; or date of publication Opus Number – the opus number of the original publication of the work, when applicable Setting – the order of setting as it pertains to vocal works that have numerous settings of the same text Version – the number of version as it pertains to works or vocal settings that have more than one existing version Notes – any additional information concerning the work: alternate titles, completeness, relation to other works, authorship, etc.

August 18 is the 230th day of the year (231st in leap years) in the Gregorian calendar; 135 days remain until the end of the year.

Anton Franz Josef Eberl (13 June 1765 – 11 March 1807) was an Austrian composer, teacher and pianist of the Classical period. He was a student of Salieri and Mozart. He was also seen as an early friend and rival of Beethoven.

The cor anglais (UK: , US: or original French: [kɔʁ ɑ̃ɡlɛ]; plural: cors anglais), or English horn (mainly North America), is a double-reed woodwind instrument in the oboe family. It is approximately one and a half times the length of an oboe, making it essentially an alto oboe in F. The cor anglais is a transposing instrument pitched in F, a perfect fifth lower than the oboe (a C instrument). This means that music for the cor anglais is written a perfect fifth higher than the instrument sounds. The fingering and playing technique used for the cor anglais are essentially the same as those of the oboe, and oboists typically double on the cor anglais when required. The cor anglais normally lacks the lowest B♭ key found on most oboes, and so its sounding range stretches from E3 (written B♮) below middle C to C6 two octaves above middle C. Some versions have a Low B♭ key to extend the range down one more note to sounding E♭3.

The Serenade No. 10 for winds in B♭ major, K. 361/370a, is a serenade by Wolfgang Amadeus Mozart scored for thirteen instruments: twelve winds and double bass. The piece was composed in 1781 and is often known by the subtitle Gran Partita, though in the autograph manuscript it is misspelled ("Gran Partitta") and not in Mozart's hand. It consists of seven movements.

The cor anglais (UK: , US: or original French: [kɔʁ ɑ̃ɡlɛ]; plural: cors anglais), or English horn (mainly North America), is a double-reed woodwind instrument in the oboe family. It is approximately one and a half times the length of an oboe, making it essentially an alto oboe in F. The cor anglais is a transposing instrument pitched in F, a perfect fifth lower than the oboe (a C instrument). This means that music for the cor anglais is written a perfect fifth higher than the instrument sounds. The fingering and playing technique used for the cor anglais are essentially the same as those of the oboe, and oboists typically double on the cor anglais when required. The cor anglais normally lacks the lowest B♭ key found on most oboes, and so its sounding range stretches from E3 (written B♮) below middle C to C6 two octaves above middle C. Some versions have a Low B♭ key to extend the range down one more note to sounding E♭3.