1809 in music

Events

• June 15 – Mozart's Requiem is performed at a memorial service for Joseph Haydn at the Schottenkirche, Vienna.
• Stalybridge Old Band formed in the north of England, perhaps the first civilian brass band in the world.

Popular music

• "Clown's Catalogue of Odd Fish", aka "Odd Fish", aka "Grimaldi's Catalogue of Odd Fish", sung by Joseph Grimaldi in Fashion's Fool or the Aquatic Harlequin
• "Whip Club", sung by Joseph Grimaldi in ''Fashion's Fool or the Aquatic Harlequin''

Classical music

• Ludwig van Beethoven
• *Piano Concerto No.5, Op. 73 ("Emperor")
• *"Harp" Quartet in E-flat Major, Op. 74
• *6 Songs, Op. 75
• *Six variations on an original theme in D major, Op. 76
• *Fantasia for Piano in G minor, Op. 77
• *Piano Sonata No. 24 in F-sharp major, Op. 78
• *Piano Sonata No. 25 in G major, Op. 79
• *Four Ariettas and a Duet, Op. 82
• *Egmont, Op.84
• *Die laute Klage, WoO 135
• *Lied aus der Ferne, WoO 137
• *Der Jüngling in der Fremde, WoO 138
• *Der Liebende, WoO 139
• François-Joseph Gossec – Symphonie à 17 parties
• Johann Nepomuk Hummel – Salve Regina, WoO 18
• Etienne Mehul – Symphony No. 1 in G minor
• Ferdinand Ries
• *Symphony No. 1 in D major, Op. 23
• *Clarinet Trio in B-flat major, Op. 28
• *Clarinet Sonata, Op. 29
• *String Quartet, Op. 70 No.2
• *Piano Trio, Op. 28
• Carl Maria von Weber
• *6 Pièces, Op. 10a
• *Serenade, J.65
• *Andante e rondo ongarese, J.79

Opera

• Gaspare Spontini – ''Fernand Cortez''

Births

• January 20 – Sebastián Iradier, composer
• February 3 – Felix Mendelssohn, composer
• March 19 – Fredrik Pacius, conductor and composer
• March 31 – Otto Lindblad, composer
• April 13 – Aleksander Mirecki, violinist
• August 6 – Alfred Tennyson, lyricist and poet
• August 21 – Hanna Brooman, composer, translator and educator
• August 30 – Adolf Friedrich Hesse, composer
• October 2 – Anton Emil Titl, composer
• October 12 – John Liptrot Hatton, composer, conductor, pianist and singer
• October 15 – Aleksey Koltsov, lyricist and poet
• October 21 – Daniel Friedrich Eduard Wilsing, composer
• October 22 – Federico Ricci, opera composer
• November 16 – Leopoldine Blahetka, pianist and composer
• November 26 – Auguste-François Morel, composer

Deaths

• January 29 – Luigi Antonio Sabbatini, composer and music theorist
• February – Francesco Azopardi, composer
• March 7 – Johann Georg Albrechtsberger, organist, composer and music teacher
• April 17 – Johann Christian Kittel, organist and composer
• April 18 – Birgitte Winther, opera singer
• May 1 – Gottlieb Konrad Pfeffel, librettist and writer
• May 31 – Joseph Haydn, composer
• July 2 or – Joseph Quesnel, composer and writer
• July 24 – Johann Gottfried Eckard, pianist and composer
• September 21 – Alexander Reinagle, composer, organist, and theater musician
• December 31 – Franz Ignaz Beck, composer