Conversation so far:
when was the band Cancer Bats formed?
Cancer Bats was founded in May 2004 by singer Liam Cormier and guitarist Scott Middleton
Why did Liam Cormier and Scott Middleton call it Cancer Bats?
After deciding that a combination of illness and animal name would give the best band name, the band considered the names Cancer Bats and Pneumonia Hawk.
Who else did Liam Cormier and Scott Middleton add to Cancer Bats?
The Cancer Bats lineup was completed with the addition of Andrew McCracken on bass and Joel Bath on drums, with Cormier moving to vocals.

Question: what kind of music did they play?
Self-contained rewrite: What kind of music did Cancer Bats play?