Conversation so far:
What was Soft White Underbelly?
The band Blue Öyster Cult originated as a group called Soft White Underbelly.
What year did Blue Öyster Cult originate?
The band originated as a group called Soft White Underbelly in 1967 in the vicinity of Stony Brook University on Long Island, at the prompting of critic and manager Sandy Pearlman.

Question: When did they change their name?
Self-contained rewrite: When did Soft White Underbelly change their name?