This is the 448th most frequent Danish word.
musik
"Musik" in Danish means "music" in English.
In this sentence, 'musik' denotes the general art form of sound organized in time, specifically classical music.
Han elsker at lytte til klassisk musik.
He loves to listen to classical music.
In this sentence, 'musik' refers to music being performed or played using an instrument, in this case, a guitar.
Hun spiller musik på sin guitar hver aften.
She plays music on her guitar every evening.
Here, 'musik' refers to recorded or live music that is being played as a background or accompaniment for dancing.