Waltzing Matilda or recordings of bush ballads include anything to suggest it preceded Paterson. Meanwhile, handwritten manuscripts from the time the song originated indicate the song's origins with Paterson and Christina Macpherson, as do their own recollections and other pieces of evidence. There has been speculation about the relationship "Waltzing Matilda" bears to an English song, "The Bold Fusilier" (also known as "Marching through Rochester", referring to Rochester in Kent and the Duke of Marlborough), a song sung to the same tune and dated by some back to the 18th century but first printed in 1900. There is, however, no documentary proof
What Is and What Should Never Be descending riff [of "What Is and What Should Never Be"] is amazing: It's like a bow is being drawn back, and then it releases. The rhythm of the vocals is almost like a rap. It's insane — one of their most psychedelic songs." This was also one of the first songs recorded by the band for which Robert Plant received writing credit. According to rock journalist Stephen Davis, the author of the Led Zeppelin biography "Hammer of the Gods: The Led Zeppelin Saga", the lyrics for this song reflect a romance Plant had with his wife's younger sister. "What Is