Well I'm of a mind that in fact 99 percent of the shmucks that cling to this anti Led Zeppelin movement that has been around for almost a generation have never even heard of the avant garde Spirit let alone the track in question. It really is nothing new if you have listened to this claim in the past. The first line line is structured very close yet it's similarity ends abruptly. how many songs have I heard in my years that follow the same similarity and I have not given in another thought. Waist of time, if you ask me...