This is the 10107th most frequent Spanish word.
celestiales
"Heavenly" or "celestial."
In this sentence, 'celestiales' refers to something related to the celestial sphere or the heavens, in this case describing 'bodies' as being part of the astronomical realm.
Los cuerpos celestiales son los astros que vemos en el cielo.
Celestial bodies are the stars we see in the sky.
Here, 'celestiales' is used metaphorically to describe the quality of the melodies, suggesting they are heavenly or divine in nature.
Las melodías celestiales del coro llenaron el teatro.
The celestial melodies of the choir filled the theater.
In this instance, 'celestiales' conveys an abstract and aspirational quality, indicating experiences that are sublime or heavenly.