The Nocturnes, Op. 27 (No 7 and No 8) are two solo piano pieces composed by Frédéric Chopin. The Nocturne No 8 is in D-Flat Major and is one of Chopin most famous nocturne. The pieces were composed in 1836 and published in 1837. Both nocturnes in this opus are dedicated to Countess d’Appony.