Conversation so far:
What was her sound?
generic and "undistinguished punk-inflected hard-rock.
Are there any other interesting aspects about this article?
Critic Simon Reynolds observed how the band's originality only "really became apparent as the songs got slower".
why did she come to this conclusion?
"Hook's bass carried the melody.
Did she release any sounds?
more rhythm and chords.

Question: What was their focus?
Self-contained rewrite: What was the band Joy Division's focus?