<P> In November 2012, "Thank You" was ranked number 29 on Rolling Stone's "The 40 Greatest Led Zeppelin Songs of All Time". </P> <P> In November 2017, "Thank You" was ranked number 28 on Fuse's list of "35 Thank You Songs". </P> <Ul> <Li> Robert Plant--vocals </Li> <Li> Jimmy Page--electric and acoustic guitars, backing vocals </Li> <Li> John Paul Jones--Hammond organ, bass guitar </Li> <Li> John Bonham--drums </Li> </Ul> <Li> Robert Plant--vocals </Li>

Who sings backup on thank you led zeppelin