Conversation so far:
Who wrote the lyrics for Bohemian Rhapsody?
Bohemian Rhapsody is a song by the British rock band Queen. It was written by Freddie Mercury for the band's 1975 album A Night at the Opera.
What was the song, Bohemian Rhapsody about?
Mercury refused to explain his composition other than to say it was about relationships; the band is still protective of the song's secret
When were the lyrics for Bohemian Rhapsody written?
Mercury first started developing Bohemian Rhapsody in the late 1960s; Mercury used to play parts of songs he was writing at the time on the piano
Who sings Bohemian Rhapsody?
Freddie Mercury sings the lead and backing vocals. Brian may sings the low regerstier operatic vocals. Roger Taylor sings the high register operatic vocals.

Question: When was the song released?
Self-contained rewrite: When was Bohemian Rhapsodyreleased?