This is the 7753rd most frequent German word.
hardrock
A genre of loud and aggressive rock music.
In this sentence, 'Hardrock' is used to describe a genre of music that is characterized by a distinct sound and style.
Ich liebe es, Hardrock-Musik zu hören.
I love listening to hard rock music.
Here, 'Hardrock' classifies the type of music of the song being described.
Der neue Hardrock-Song hat eine starke Melodie.
The new hard rock song has a strong melody.
In this example, 'Hardrock' is used attributively to define the genre of the festival being held.