James Barr (composer) James Barr (composer) James Barr (1779–1860) was a Scottish composer who composed the tune which inspired the tune now used for the Australian traditional song "Waltzing Matilda." Born in Tarbolton in South Ayrshire, Barr taught music and worked for a publisher in Glasgow. Barr set several poems by his friend Robert Tannahill to music. According to Christina Macpherson, "Waltzing Matilda" was created in the sitting room of Dagworth Station in January 1895 with the help of a young solicitor and poet, "Banjo" Paterson. Tannahill wrote the words in 1805 and in 1818 Barr set them to music, possibly based on
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