It is known that they were written during Schubert's stay at Count Johann Karl Esterházy's summer home in Zseliz in Hungary (this is now Zeliezovce in Slovakia). He had accepted a job there as music teacher to the Count's daughters, and these and similar works were written for instructional purposes.
The Nocturnes, Op. 9 are a set of three nocturnes written by Frédéric Chopin between 1830 and 1832, published that year, and dedicated to Madame Camille Pleyel.
The Nocturnes, Op. 9 are a set of three nocturnes written by Frédéric Chopin between 1830 and 1832, published that year, and dedicated to Madame Camille Pleyel. The second nocturne of the work is regarded as Chopin's most famous piece.