Conversation so far:
Who wrote Bohemian Rhapsoday?
"Bohemian Rhapsody" was written by Mercury.
Was there a particular method Mercury used to write the song?
All piano, bass and drum parts, as well as the vocal arrangements, were thought up by Mercury on a daily basis and written down "in blocks" .
Was the song popular when it first came out?
the song became immensely popular, topping charts worldwide.
How long did it stay on the charts?
it remained for an unprecedented nine weeks in the UK) and is widely regarded as one of the most significant rock songs in history.

Question: What did the critics say about it?
Self-contained rewrite: What did the critics say about Bohemian Rhapsoday?