All anime is of course equipped with a soundtrack. Here, it's only a simple logic, music is essential to create the atmosphere of the scenes, not to mention the need to put a generic at the beginning and end of the episodes.
In the case of Escaflowne, the score was the subject of particular care. Entrusted to a duo of talent composers, Yoko Kanno and Hajime Mizoguchi, the music of the series and the film are beautiful, strolling from the classical to the electronic, passing through the oriental.
This part will provide you with a lot of information about the songs, their creators and their performers.
In addition, you can practice karaoke, thanks to the lyrics of the songs, and understand your interpretations thanks to the translations.