This is the 3774th most frequent Polish word.
muzyka
"Muzyka" means "music" in English.
Here, 'muzyki' is used in the genitive case to indicate the object of the activity of listening.
Słucham muzyki każdego dnia.
I listen to music every day.
In this example, 'muzyka' is used in the nominative case as the subject of the sentence, referring to a specific type or piece of music.
Ta muzyka jest naprawdę piękna.
This music is really beautiful.
Here, 'Muzyka' is again in the nominative case, used as the subject of the sentence describing the action happening during an event.