Piano Sonata No. 2 (Chopin)
Frédéric Chopin's Piano Sonata No. 2 in B-flat minor, Op. 35, popularly known as The Funeral March, was completed in 1839 at Nohant, near Châteauroux in France.  However, the third movement, whence comes the sonata's common nickname, had been composed as early as 1837.