The Nocturne in E-flat Major is a piano composition by the famous Romantic composer Frédéric Chopin, characterized by its lyrical melodies and expressive use of harmony. This piece exemplifies the nocturne genre, which is intended to evoke the beauty and tranquility of night, often featuring intricate embellishments and a flowing, song-like quality. Chopin's nocturnes are celebrated for their emotional depth and innovative approaches to musical form, showcasing his unique style within the Romantic period.