
Oxford Music Online stated that Chopin borrowed the “nocturne” idea from John Field. According to Oxford music online, his pieces had romantic stories and nicknames to go along with them, but he himself believed that music should exist in its absolute form which is shown through the titles that he gave his various pieces. He wrote many piano pieces, polonaises, nocturnes, and etudes. This made him ill and struggle for years. This disease killed him later on in life.

Soon after he started his public career, early signs of tuberculosis showed up. After he finished school, he decided to focus on composing and he got a public career to do so. While Chopin was a student at the school of Warsaw, he composed pieces and gave concerts. He was both a composer and a pianist from Poland. There is little space indeed for sloppy sentimentality, even within the striking little cadenza that concludes the work.Frederic Francois Chopin was one of the leading composers in the 19 th century. Cast in the kind of two-part song formula beloved of nineteenth-century salon musicians, Op.9, No.2 is one of the briefest of the Nocturnes. Of the three pieces in Opus 9, this is the one most heavily indebted to John Field, both in terms of its direct phrase structure and its rather simple atmosphere. In spite of the many tasteless renditions to which it has been subjected over the years (a great many of them on disc, and by performers of some stature), it remains a work of great charm. The Nocturne in E-flat major, Op.9, No.2 is very possibly the most famous work ever penned by Chopin.

Camille Pleyel, with whom several noted musicians of the day, including Berlioz and Liszt, fell in love) still betray their stylistic debt to Field, although even at this early stage in his development Chopin's melancholic chromaticism and sinewy melodies stand in stark contrast to the Irish composer's far simpler pieces. The Three Nocturnes, Op.9 (dedicated to the famous pianist Mme. Chopin inherited the form from Irish composer John Field Field's influence is indeed palpable throughout Chopin's earliest published entries in the genre. The twenty-one Nocturnes of Frédéric Chopin (of which only twenty were designated as such by the composer, the well-known Nocturne in C sharp minor of 1830 having been assigned the title Nocturne only upon publication in 1875) span virtually his entire creative career.
