Galileo Galileo comes from the operatic middle section of Queen's Bohemian Rhapsody, released in 1975 on the album A Night at the Opera. In the song, the word is sung as part of a rapid, theatrical exchange that helped make the track famous for breaking rock conventions. Long after its release, the short vocal phrase circulated in reaction videos, parodies, and short-form edits, where its grand delivery contrasted with ordinary footage. That contrast keeps it useful today, because audiences recognise the reference instantly even without hearing the full song.