Conversation so far:
what is the legacy of joy division?
Despite their short career, Joy Division have exerted a wide-reaching influence.
who did they influence?
contemporaries U2 and the Cure.
did they tour with u2?
CANNOTANSWER.
what is something big that really helped there career?
The band's dark sound, which Martin Hannett described in 1979 as "dancing music with Gothic overtones", presaged the gothic rock genre.
what there anything really negative that happen?
CANNOTANSWER.
what is someting that really sticks out in this story?
Rapper Danny Brown is known to have named one of his albums after the Joy Division song "Atrocity Exhibition".

Question: what type of music was there main legacy?
Self-contained rewrite: What type of music was Joy Division main legacy?