Conversation so far:
Why didn't Led Zeppelin come up with a more unique title than Led Zeppelin IV for their fourth album?
Jimmy Page decided that Led Zeppelin's fourth album would feature four hand-drawn symbols instead of a title. It is referred to as the fourth album and Led Zeppelin IV.

Question: How did this go over initially?
Self-contained rewrite: How did the no title but symbols idea for Led Zeppelin's fourth album go over initially?