The Symphony No. 90 in C major

C major

C major is a musical major scale based on C, with pitches C, D, E, F, G, A, and B. Its key signature has no flats/sharps.Its relative minor is A minor, and its parallel minor is C minor....

, Hoboken 1/90, was written by Joseph Haydn

Joseph Haydn

Franz Joseph Haydn , known as Joseph Haydn , was an Austrian composer, one of the most prolific and prominent composers of the Classical period. He is often called the "Father of the Symphony" and "Father of the String Quartet" because of his important contributions to these forms...

 in 1788 as part of a three-symphony commission by Comte d'Ogny for the Concerts de la Loge Olympique. It is occasionally referred to as The Letter R -- referring to an older method of cataloguing Haydn's symphonic output.

Movements

The symphony is in standard four-movement

Movement (music)

A movement is a self-contained part of a musical composition or musical form. While individual or selected movements from a composition are sometimes performed separately, a performance of the complete work requires all the movements to be performed in succession...

 form and scored for flute

Flute

The flute is a musical instrument of the woodwind family. Unlike woodwind instruments with reeds, a flute is an aerophone or reedless wind instrument that produces its sound from the flow of air across an opening...

, two oboe

Oboe

The oboe is a double reed musical instrument of the woodwind family. In English, prior to 1770, the instrument was called "hautbois" , "hoboy", or "French hoboy". The spelling "oboe" was adopted into English ca...

s, two bassoon

Bassoon

The bassoon is a woodwind instrument in the double reed family that typically plays music written in the bass and tenor registers, and occasionally higher. Appearing in its modern form in the 19th century, the bassoon figures prominently in orchestral, concert band and chamber music literature...

s, two horns

Horn (instrument)

The horn is a brass instrument consisting of about of tubing wrapped into a coil with a flared bell. A musician who plays the horn is called a horn player ....

, two trumpet

Trumpet

The trumpet is the musical instrument with the highest register in the brass family. Trumpets are among the oldest musical instruments, dating back to at least 1500 BCE. They are played by blowing air through closed lips, producing a "buzzing" sound which starts a standing wave vibration in the air...

s, timpani

Timpani

Timpani, or kettledrums, are musical instruments in the percussion family. A type of drum, they consist of a skin called a head stretched over a large bowl traditionally made of copper. They are played by striking the head with a specialized drum stick called a timpani stick or timpani mallet...

, continuo

Figured bass

Figured bass, or thoroughbass, is a kind of integer musical notation used to indicate intervals, chords, and non-chord tones, in relation to a bass note...

 (harpsichord

Harpsichord

A harpsichord is a musical instrument played by means of a keyboard. It produces sound by plucking a string when a key is pressed.In the narrow sense, "harpsichord" designates only the large wing-shaped instruments in which the strings are perpendicular to the keyboard...

) and strings

String instrument

A string instrument is a musical instrument that produces sound by means of vibrating strings. In the Hornbostel-Sachs scheme of musical instrument classification, used in organology, they are called chordophones...

.

1. Adagio - Allegro assai, 3/4
2. Andante, 2/4
3. Menuetto: Allegretto, 3/4
4. Finale: Allegro assai, 2/4

The second movement is in double variation

Double variation

The double variation is a musical form used in classical music. It is a type of theme and variations that employs two themes. In a double variation set, a first theme is followed by a second theme , followed by a variation on A, then a variation on B, and so on with alternating A and B...

 form.

The finale contains one of Haydn's more famous jokes. Soon after the recapitulation starts, the music arrives at a rousing and unexpected "ending" in C major followed by four measures of silence which leads the audience to believe the symphony may have actually finished. Instead, the first theme quietly resumes in the remote key of D-flat major.