This is the 12705th most frequent Spanish word.
nostalgia
A sentimental longing or wistful affection for the past.
Here, 'nostalgia' is used to express a sense of longing or yearning for past moments or experiences.
Siento nostalgia cuando veo las fotos de mi infancia.
I feel nostalgia when I see the photos of my childhood.
In this sentence, 'nostalgia' reflects the sentimental memories evoked by the song.
La canción vieja llenó el aire de nostalgia en la reunión familiar.
The old song filled the air with nostalgia at the family reunion.
This use of 'nostalgia' refers to the allure or charm associated with a specific past era.