Question: which American hard rock band has songs that have been covered by Racer X, Fu Manchu, The Smashing Pumpkins, Sebastian Bach and Fighting Gravity? 
Sentence (from "Godzilla (song)"): The song is, along with "(Don't Fear) The Reaper" and "Burnin' for You", one of Blue Öyster Cult's best known songs and has become a staple of their live performances.
Relevant evidence: No