Freddie Mercury composed "March Of The Black Queen" at the piano in 1973, and the song was included a year later on Queen's second album Queen II.
It is the only Queen song containing polyrhythm/polymeter (two different time signatures simultaneously 8/8 and 12/8), which is very rare for popular music.
The full piece was too complicated to perform live by the band, however the uptempo section containing the lines…
We are not in a position to display these lyrics due to licensing restrictions. Sorry for the inconvenience.Queen - The March of the Black Queen Lyrics