Panic! At the Disco. Has done a cover of Killer Queen, I've never seen it, I thought I should share it. They actually did a good job.
http://www.youtube.com/watch?v=5p-EYT9OzQw&mode=related&search=
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Not too bad....not good a quality video...but a pretty cool cover I must say - I love Panic! At the Disco....