Final answer:
Fryderyk Chopin is the composer of Nocturne in E Flat Major, which may feature a waltz-like accompaniment style and is enhanced by numerous turns and trills. Option C,D are correct.
Step-by-step explanation:
The composer of the Nocturne in E Flat Major is Fryderyk Chopin. This piece of music is known for its lyrical and expressive qualities, attributes that are emblematic of the Romantic era of classical music. The accompaniment style of this nocturne could be reminiscent of a waltz, which is characterized by its triple meter and light, flowing rhythm.
The melody of a nocturne like this one is often gracefully enhanced by ornamentation techniques such as numerous turns and trills, which add to the decorative and emotive nature of the piece.
The composer of the Nocturne in E Flat Major is Chopin. The accompaniment in this excerpt is in the style of a waltz. This music features a graceful melody enhanced by numerous turns.