Conversation so far:
What was Bohemian Rhapsody legacy?
In 2015, The Economist described it as one of the most innovative pieces of the progressive rock era.
Where did Bohemian Rhapsody chart?
Upon its release as a single, Bohemian Rhapsody became a commercial success, topping the UK Singles Chart for nine weeks.
What was said about the Bohemian Rhapsody track?
The Beach Boys' Brian Wilson praised the song as the most competitive thing that's come along in ages and a fulfillment and an answer to a teenage prayer—of artistic music.

Question: What made the song a hit?
Self-contained rewrite: What made the song Bohemian Rhapsody a hit?