Very interesting article

http://www.icce.rug.nl/~soundscapes/VOLUME03/Queen_anomaly.shtml

Give it a try. I highly recommend it. It's about the way that Queen's songs are structured differently from other popular artists.

that is why they triumphed at live aid
all the other songs paled into comparisom as did the perfomances
but its the songs themselves- they are like magic