If there was such a thing as the GREATEST SONG, Bohemian rhapsody would have to be in the running. Doesnt every one know that TENACIOUS D Played the Greatest song before satan? They couldn't remember what they played but they have made a tribute to the song. Titled..."Tribute"...

Click on the Tribute play button (no, you dont have to have aol).
http://music.aol.com/search/avresults.adp?query=tenacious%20d