'39 - another great one as well. Did you know that this song was not about sailing across the Atlantic in a boat, but rather traveling in a space ship? He goes forward in time due to the time differences when traveling at high speed. Brian May has a serious interest in astrophysics. In fact, he received his PhD in 2007.
All Dead is probably in my Top 10 as well
Frankly, not a big fan of their very late stuff. I've never even heard of Gimme the Prize or Princes of the Universe.