What is the primary characteristic of Chopin's Nocturne in E Flat Major, Op. 9, No. 2?

The piece Chopin's Nocturne in E Flat Major, Op. 9, No. 2 is indeed recognized primarily for its lyrical quality and beautiful melody. It epitomizes the Romantic era’s emphasis on expressive and emotive music. The melody in this nocturne is flowing and rich, often featuring elegant ornamentation that enhances its lyrical nature, making it one of the most beloved works of the solo piano repertoire.

In the context of the other options, the piece does not feature a fast tempo or syncopation, as it maintains a slower, more contemplative pace. Additionally, the work is typically performed solo, lacking heavy orchestration, which is more common in larger orchestral compositions. While some sections may play with phrase lengths, the central focus remains on the seamless and expressive melody that defines its character. This emphasis on lyrical expression solidifies option B as the most accurate choice.